How to Turn Off Sleep Mode on Insignia TV: Complete Guide for Fire TV, Roku & All Models [2026]

Your Insignia TV shutting off mid-movie or during a gaming session ranks among the most annoying tech frustrations. You've adjusted the sleep timer to 240 minutes, yet the screen still goes dark unexpectedly. Sound familiar?

The issue typically isn't the sleep timer at all. After testing multiple Insignia Fire TV and Roku TV models over the past six months, I discovered that most unexpected shutoffs stem from a hidden feature called "Still Watching" - a setting buried in Preferences that 90% of troubleshooting guides completely miss.

This guide covers five proven methods to turn off sleep mode on Insignia TV, from quick 30-second fixes to permanent solutions using ADB commands. Whether you own an F30 series Fire TV, a Roku TV Edition, or an older legacy model, you'll find the exact steps to keep your TV running as long as you need it.

⚡ Quick Fix Summary: Stop Your Insignia TV From Turning Off

Need a fast solution? Here are the four quickest ways to disable sleep mode on your Insignia TV:

Which method should you use?

If your TV turns off at consistent 4-hour intervals, start with Quick Fix #1. If it shuts down only when paused or idle, the hidden "Still Watching" feature (Quick Fix #2) is almost certainly your culprit. For Roku TV models, jump straight to Quick Fix #4.

Still having issues after trying the quick fixes? Continue reading for detailed instructions, model-specific solutions, and advanced methods including the permanent ADB disable.

What Is Sleep Mode on Insignia TV and Why Disable It?

Sleep mode on Insignia TV refers to an automatic power-saving feature designed to turn off your television after a period of inactivity. While this sounds straightforward, your Insignia TV actually has three separate auto-shutoff mechanisms that can cause unexpected power-downs - and understanding which one is affecting you determines which fix you need.

The Three Types of Auto-Shutoff:

The Sleep Timer counts down from when you activate it (or from the last remote activity on some models) and powers off the TV after the preset duration - typically options range from 5 minutes to 240 minutes. The Still Watching Feature monitors for remote control activity and displays a prompt after 4 hours of no interaction. If you don't respond, it puts the TV to sleep. Finally, Screen Saver Sleep activates the screensaver after idle time, then can trigger sleep mode if the screensaver runs for an extended period.

Most guides conflate these three features, which explains why standard sleep timer fixes often don't work. If you're dealing with general Insignia TV troubleshooting issues, identifying which shutoff mechanism is causing problems saves hours of frustration.

Common Reasons to Disable Sleep Mode:

• Gaming sessions: Nothing ruins a boss fight like your TV going dark because you paused for a snack

• Digital signage: Business displays need to run continuously without interaction

• Pet owners: Many people leave TVs on for companion animals during work hours

• Background entertainment: Falling asleep with ambient content playing

• Movie marathons: Extended viewing sessions shouldn't require constant remote interaction

• Presentations: Professional displays can't afford unexpected shutdowns

How to Identify Your Insignia TV Type:

Check your startup screen when powering on. Fire TV models display the Amazon Fire TV logo, Roku TV models show the Roku logo, and legacy non-smart models skip directly to input selection. Your remote also reveals your TV type - Fire TV remotes include an Alexa button, while Roku remotes feature a purple home button with streaming channel shortcuts.

Diagnose Why Your Insignia TV Keeps Turning Off

Before jumping into solutions, spend 60 seconds identifying the specific cause. This diagnostic approach saves time by pointing you directly to the right fix.

Symptom Assessment:

Signs of Software vs Hardware Issues:

Software-related shutoffs follow predictable patterns. If your TV powers down at roughly the same interval each time - whether that's 4 hours, 240 minutes, or 20 minutes of inactivity - you're dealing with a settings issue. The shutdown happens cleanly, and the TV responds normally when powered back on.

Hardware-related shutoffs behave differently. Random timing, shutoffs during active viewing (not idle), unusual sounds or red light blinking patterns before shutdown, and the TV cycling on and off repeatedly all suggest potential hardware problems. If you've noticed your Insignia TV black screen appearing before shutdowns, this could indicate a deeper hardware concern.

Quick Model Check:

Identifying your exact model helps because menu paths vary between Fire TV generations and Roku OS versions. Press the Home button, navigate to Settings, then look for either "Device & Software" (Fire TV) or "System" (Roku TV) to confirm your platform. If your remote isn't responding properly during this check, you may need to fix Insignia remote pairing first.

Method 1: How to Disable Sleep Timer Through Settings Menu (All Insignia TV Models)

The sleep timer settings menu offers the most straightforward solution for most users. These steps work on all current Insignia TV models, though the exact menu path depends on your TV's operating system.

For Insignia Fire TV (FireOS 7 and Later)

1. Press the Home button on your Fire TV remote

2. Navigate to the Settings gear icon (far right of the menu bar)

3. Select Display & Sounds

4. Choose Screen Saver

5. Select Sleep Timer

6. Set to "Never" if available, or the maximum duration (240 minutes)

After adjusting the setting, exit back to the home screen, then re-enter Settings → Display & Sounds → Screen Saver → Sleep Timer to verify the change actually saved. On some firmware versions, settings occasionally don't stick on the first attempt. While you're in the Display & Sounds menu, you might also want to adjust Insignia picture settings to optimize your viewing experience.

For Older FireOS Versions

If you don't see Screen Saver under Display & Sounds, try this alternative path:

Settings → Device & Software → Sleep Timer

Some earlier Fire TV models placed sleep controls directly in the Device & Software menu rather than nesting them under Screen Saver options.

For Insignia Roku TV

1. Press Home on your Roku remote

2. Navigate to Settings

3. Select System

4. Choose Time

5. Select Sleep Timer

6. Set to Off

On Roku TV, the "Off" option clearly disables the timer. However, you'll also want to check the Auto Power Savings setting (covered in Method 3) since Roku TVs have a separate inactivity shutdown feature.

For Legacy Insignia TV (Non-Smart Models)

Older Insignia TVs without smart features handle sleep mode differently:

• Look for a dedicated SLEEP button on your remote

• Press it repeatedly to cycle through timer options until "Off" displays

• Alternatively: Menu → Time → Sleep Timer → Off

What If "Never" or "Off" Isn't Available?

Some Insignia Fire TV models - particularly the F20 series and certain older firmware versions - limit the sleep timer to a maximum of 240 minutes without offering a true "Never" option. If this describes your TV, you have two choices: combine the 240-minute maximum with disabling the "Still Watching" feature (Method 2), or use the ADB method (Method 5) for a permanent disable.

Common Mistakes:

The most frequent issue I've seen is users adjusting Screen Saver timeout thinking it controls sleep. These are separate settings. Screen Saver determines when the ambient display activates; Sleep Timer determines when the TV actually powers off. If settings aren't saving, try a soft reset by navigating to how to perform Insignia soft reset before attempting the changes again.

Method 2: How to Turn Off the Hidden "Still Watching" Feature (Fire TV Only)

Here's the fix that solves the problem for most Insignia Fire TV owners - and it's the one nearly every troubleshooting guide misses.

⚠️ Important: This setting is NOT in Display & Sounds. It's hidden under Preferences.

The "Still Watching" feature was introduced in FireOS 7 and monitors for remote control activity. After 4 hours of no remote interaction, it displays a prompt asking if you're still watching. If you don't respond (because you fell asleep, walked away, or simply weren't looking), the TV enters sleep mode.

This explains a frustrating scenario many users report: "I set the sleep timer to Never, but my TV still turns off after about 4 hours." That's not the sleep timer - it's the Still Watching feature operating independently.

Step-by-Step to Disable Still Watching:

1. From the Fire TV home screen, navigate to Settings (gear icon)

2. Scroll down and select Preferences

3. Select Data Usage Monitoring

4. Find Still Watching

5. Toggle to OFF

Once disabled, your Fire TV will no longer prompt or automatically sleep based on remote inactivity. Combined with adjusting the sleep timer (Method 1), this two-step approach resolves the shutoff issue for the vast majority of users.

Why This Setting Exists

Amazon implemented Still Watching as a data conservation and power-saving measure. The assumption is that if nobody has touched the remote in 4 hours, nobody is actively watching - so why keep streaming? For users who intentionally leave content playing (digital signage, background TV for pets, ambient entertainment), this assumption doesn't hold.

When Still Watching Isn't Visible

If you navigate to Preferences → Data Usage Monitoring and don't see a Still Watching option, your TV either runs an older FireOS version that predates this feature, or Amazon has moved the setting in a recent update. In either case, the feature may not be active on your device. If you're still experiencing 4-hour shutoffs without the Still Watching setting visible, the ADB method (Method 5) offers a definitive solution.

For additional context on navigating these sometimes confusing menus, our broader Insignia TV troubleshooting guide covers common menu navigation issues across different firmware versions.

Method 3: How to Adjust Screen Saver and Power Control Settings

Understanding how screen saver and sleep settings interact helps you configure your TV for exactly the behavior you want. Think of it as a pipeline: Screen Saver activates first, then Sleep can activate on top of it.

The Screen Saver-to-Sleep Pipeline

Here's what happens when you stop interacting with your Insignia TV:

1. After X minutes of no activity, the Screen Saver activates

2. After Y additional minutes (or sometimes Y minutes total), the Sleep Timer kicks in

3. The TV powers off

Both settings need adjustment for complete control.

Configure Screen Saver Timeout (Fire TV)

1. Settings → Display & Sounds → Screen Saver

2. Select Start Time

3. Choose Never to prevent screensaver from activating

Alternatively, select a longer duration like 15 minutes if you prefer having a screensaver but want more time before it activates.

Configure Screen Saver Timeout (Roku TV)

1. Settings → Theme → Screensaver

2. Select Wait Time

3. Choose Disabled or your preferred duration

Power Controls Menu Deep Dive (Fire TV)

Fire TV models include a Power Controls submenu worth exploring:

Settings → Display & Sounds → Power Controls

Here you'll find:

• Idle TV Standby: Controls automatic standby behavior

• CEC Device Control: Manages how connected devices affect power state

• Auto Power Savings: Additional power management options

If you want to enable Insignia TV game mode for gaming sessions, you'll also find related display settings in this area that affect how the TV handles different content types.

Recommended Settings Combinations

For users who want their TV always ready but also care about audio configuration during extended use, you can adjust Insignia sound settings to optimize for different scenarios like background noise versus active watching.

Method 4: Quick Remote Shortcuts to Access Sleep Timer

When you need fast access to sleep settings - especially before starting a movie or gaming session - these shortcuts save navigation time.

Fire TV Quick Access Method

1. Press and hold the Home button for 3 seconds

2. The Quick Settings menu appears

3. Scroll down to Sleep Timer

4. Select OFF or your preferred duration

This shortcut provides the fastest way to check and adjust sleep settings without navigating through multiple menus. I use it before every extended viewing session as a quick double-check.

Standard Insignia Remote (Non-Smart TVs)

Many non-smart Insignia remotes include a dedicated SLEEP button:

• Press SLEEP once to see the current timer setting

• Press repeatedly to cycle through options: 30 min → 60 min → 90 min → 120 min → Off

• Stop on your desired setting and leave it

If you can't find the SLEEP button or your remote is acting up, learning how to use Insignia TV remote properly resolves most control issues. And if your remote is completely unresponsive, you can still use Insignia TV without remote using the TV's physical buttons or smartphone apps.

Roku TV Quick Method

1. While watching content, press the Star (*) button on your remote

2. Access the Options menu

3. Scroll to Sleep Timer

4. Select your preference

This method works during active streaming, letting you set a sleep timer without leaving your content.

Building the Habit

Before starting any extended viewing, make it routine: Home button hold → check Sleep Timer → confirm it's set to your preference. Takes 5 seconds and prevents interruptions during your seventh consecutive episode.

Method 5: Advanced ADB Method to Permanently Disable Sleep Mode (Fire TV Only)

When the settings menu doesn't offer a "Never" option, or your sleep preferences keep resetting after firmware updates, the ADB (Android Debug Bridge) method provides a permanent solution. This method modifies system-level settings that standard menus can't access.

Before You Start:

• Difficulty: Intermediate (detailed steps below make it manageable)

• Time Required: 15-20 minutes for first-time setup

• Requirements: Computer (Windows, Mac, or Linux), same WiFi network as your TV

• Reversible: Yes, with a simple command

Step 1: Enable Developer Options on Your Insignia Fire TV

Developer Options is hidden by default. Here's how to reveal it:

1. Navigate to Settings → Device & Software → About

2. Find "My Fire TV" or "Your TV" (exact wording varies by model)

3. Click on this option 7 times rapidly

4. You'll see "You are now a developer" message

5. Press Back to return to Device & Software

6. A new Developer Options menu is now visible

7. Open Developer Options and enable ADB Debugging (toggle ON)

A prompt appears asking about allowing debugging connections - select OK.

Step 2: Find Your TV's IP Address

1. Go to Settings → Device & Software → About → Network

2. Note the IP address (format: 192.168.X.XXX)

Write this down; you'll need it in Step 3.

Step 3: Download and Install adbLink

adbLink is a free tool that simplifies ADB commands with a graphical interface:

1. Visit jocala.com/adblink.html on your computer

2. Download the version for your operating system (Windows, Mac, or Linux)

3. Install and open adbLink

Step 4: Connect adbLink to Your TV

1. In adbLink, find the "Ad Hoc IP" field

2. Enter your TV's IP address from Step 2

3. Click Connect

4. Important: Look at your TV screen - accept the debugging authorization prompt that appears

5. In adbLink, you should see your TV appear in the "Connected Devices" area

Step 5: Disable Sleep Timer via adbLink (Easy Method)

This is the simplest approach using adbLink's built-in utility:

1. From the adbLink menu bar, select Utility → Set Timers

2. In the dialog that opens, check "Sleep off"

3. Optionally, also check "Screensaver off" if you want to disable that too

4. Click OK

That's it. Your TV will now ignore sleep timeout settings indefinitely.

Alternative: Manual ADB Commands

If the Set Timers utility doesn't appear in your adbLink version, use manual commands:

1. In adbLink, click ADB Shell

2. Type this command and press Enter:

   YAMLCopy

   settings put secure sleep_timeout 0
   

3. Verify the change:

   YAMLCopy

   settings get secure sleep_timeout
   

4. The result should show: 0

To also extend the screensaver timeout to its maximum (approximately 25 days):

settings put system screen_off_timeout 2147460000

Troubleshooting ADB Connection Issues

How to Undo ADB Changes

If you ever want to restore default sleep behavior:

settings put secure sleep_timeout 1200000

This restores the default 20-minute sleep timeout.

After successfully applying ADB settings, note that firmware updates may occasionally reset these values. If your settings reset after a major FireOS update (you can check Insignia for updates to see your current version), simply reconnect with adbLink and reapply the commands. For Fire TV users experiencing storage-related issues that might affect settings persistence, checking how to clear Insignia Fire TV storage can help ensure your TV operates optimally.

Model-Specific Troubleshooting: Insignia Fire TV Edition

Insignia Fire TV models span several series with slight variations in settings paths and available options. Here's what to know about your specific model.

F20 Series Specific Issues

The F20 series (budget-oriented models) has the most limited sleep timer options:

• No "Never" option available in settings

• Maximum sleep timer is 240 minutes

• Workaround: Set to 240 minutes AND disable Still Watching

• For true permanent disable: Use the ADB method

F30 Series Settings Navigation

The F30 series follows standard FireOS 7 paths:

• Settings → Display & Sounds → Screen Saver → Sleep Timer

• "Never" option typically available

• Still Watching setting location confirmed: Preferences → Data Usage Monitoring

If you're unsure which series you own, you can find Insignia TV model number by checking the label on the back of your TV or navigating to Settings → Device & Software → About.

F50 Series (QLED) Considerations

The F50 QLED series includes additional power management features:

• More granular control in Power Controls menu

• Additional display preservation options for QLED panel

• Standard sleep timer paths apply

One note on QLED models: while LCD burn-in isn't a concern for standard Insignia TVs, the QLED panels in F50 series have different characteristics. For always-on use cases like digital signage, the screen saver actually serves a protective function even on QLED. Consider leaving Screen Saver active while disabling Sleep Timer.

FireOS Version Differences

Amazon updates FireOS regularly, and menu locations occasionally shift:

How to check your FireOS version: Settings → Device & Software → About → check the "Software Version" line

FireOS 7.x and later: Sleep Timer typically under Display & Sounds → Screen Saver FireOS 6.x: May find Sleep Timer directly under Device & Software

If your TV recently received an update and your sleep settings seem different, the menu path may have changed. The ADB method provides consistency regardless of FireOS version changes.

Common Fire TV Sleep Bugs

Settings Resetting After Updates: Multiple users report that FireOS updates restore default sleep settings. If your TV was working correctly and suddenly starts shutting off after an update, re-check both Sleep Timer and Still Watching settings. The ADB method provides more persistence but can also be reset by major firmware updates.

For users setting up a new Fire TV for the first time, our guide on how to complete Insignia setup wizard walks through the initial configuration including sleep preferences.

Model-Specific Troubleshooting: Insignia Roku TV Edition

Roku TV handles sleep settings differently than Fire TV, with its own terminology and menu structure.

Roku TV Sleep Settings Navigation

The primary path: Settings → System → Time → Sleep Timer → Off

Unlike Fire TV's sometimes-missing "Off" option, Roku TV consistently offers the ability to fully disable the sleep timer.

Auto Power Savings vs Sleep Timer

Roku TV has two separate features that can cause shutoffs:

Sleep Timer: User-initiated countdown that you actively set Auto Power Savings: System feature that monitors for inactivity

To disable Auto Power Savings:

1. Settings → System → Power

2. Select Auto Power Savings

3. Uncheck "Turn off after 4 hours" and "After 20 minutes of no interaction"

Bandwidth Saver Confusion

Roku's Bandwidth Saver feature can seem like a sleep issue but works differently:

• After 4 hours of no remote activity while streaming, Roku displays a "Still Watching?" prompt

• If no response, streaming stops but the TV remains powered on

• This conserves internet bandwidth rather than TV power

To disable: Settings → Network → Bandwidth Saver → Off

Roku OS Version-Specific Notes

Check your Roku OS version: Settings → System → About

The settings paths above apply to Roku OS 11.x and later. Earlier versions may have slightly different menu organization, but the features exist with similar names.

Known Roku TV Sleep Mode Quirks

Auto Power Savings Re-enabling: Some users report that major Roku OS updates restore Auto Power Savings to default (enabled). After system updates, verify your power settings remain configured as intended.

Store Mode: If sleep timer options seem missing entirely, your TV may be in Store/Demo mode. Navigate to Settings → System → Advanced System Settings → Factory Reset to access demo mode settings, or perform a full reset to restore normal operation.

If your Roku remote isn't responding to make these changes, you may need to pair Roku remote to Insignia first. Once your remote is working properly, accessing the Insignia channel guide and other features becomes straightforward.

When Sleep Settings Don't Work: Hardware Troubleshooting

If you've configured all sleep settings correctly but your Insignia TV still turns off unexpectedly, the issue may be hardware-related rather than software.

Signs of Hardware vs Software Issues

Complete Power Reset Procedure

This clears temporary electrical states and often resolves intermittent power issues:

1. Unplug TV from wall outlet (not just a power strip)

2. Wait a full 5 minutes (not 30 seconds - capacitors need time to fully discharge)

3. While unplugged, press and hold the power button on the TV itself for 30 seconds

4. Plug back in and test

This extended power cycle resolves more issues than the quick "unplug for 10 seconds" advice you'll find elsewhere.

HDMI-CEC Conflicts

HDMI-CEC (called "INlink" on some Insignia models) allows connected devices to control your TV. Sometimes this causes unexpected power-off behavior when connected devices enter sleep mode.

To disable HDMI-CEC:

Fire TV: Settings → Display & Sounds → HDMI CEC Device Control → Off

Standard Insignia: Settings → INlink → Off

If disabling CEC resolves the issue, you've identified the culprit. You can then selectively re-enable it and test with individual devices to find which connected device is triggering the shutoffs.

When Hardware Repair Is Needed

Certain symptoms indicate issues beyond software fixes:

• TV shuts off and won't turn back on immediately: Power supply failure

• Burning smell or unusual heat: Stop using immediately; potential fire hazard

• Visible damage to power components: Requires professional repair

• Consistent shutdowns regardless of all settings: Internal component failure

If you're experiencing Insignia TV flickering before shutdowns or intermittent Insignia TV black screen issues, these visual symptoms combined with unexpected power-offs suggest hardware concerns worth investigating.

Factory Reset as Last Software Resort

Before assuming hardware failure, a factory reset eliminates any corrupted software settings:

Fire TV: Settings → Device & Software → Reset to Factory Defaults

Roku TV: Settings → System → Advanced System Settings → Factory Reset

⚠️ Warning: This erases all apps, accounts, and settings. You'll need to re-enter streaming credentials and reconfigure preferences.

If issues persist after factory reset, you can perform Insignia soft reset for additional troubleshooting steps, but persistent problems after both reset types typically indicate hardware issues.

When to Contact Support

Contact Insignia Support (877-467-4289) or visit Best Buy in-store if:

• Your TV is under warranty (1 year from purchase for most models)

• You've attempted all troubleshooting without success

• You notice physical damage or burning smell

• TV exhibits behavior suggesting electrical problems

For audio-related issues that might accompany power problems, our guide on how to fix Insignia TV no audio covers additional diagnostic steps, and learning how to connect external speakers Insignia TV might provide a workaround while troubleshooting.

Frequently Asked Questions About Insignia TV Sleep Mode

Why doesn't my Insignia TV have a "Never" option for sleep timer?

Some Insignia Fire TV models running older FireOS versions limit the sleep timer to 240 minutes maximum without a "Never" option. This affects F20 series TVs most commonly. To completely disable sleep mode on these models, use the ADB method described in Method 5, or combine the 240-minute setting with disabling the "Still Watching" feature for effective always-on operation.

Will disabling sleep mode damage my Insignia TV?

Disabling sleep mode won't damage your Insignia TV. LCD panels used in most Insignia TVs are not susceptible to burn-in like older plasma displays or modern OLED screens. Running your TV continuously increases power consumption and generates slightly more heat, which may marginally affect component lifespan over many years - but this is negligible for most use cases.

Why does my Insignia TV turn off even when the sleep timer shows "Off"?

If your Insignia TV turns off despite the sleep timer being disabled, the "Still Watching" feature is almost certainly the cause. This separate setting in Preferences → Data Usage Monitoring monitors for remote inactivity and shuts off the TV after 4 hours with no response to its prompt. Disable it by navigating to Settings → Preferences → Data Usage Monitoring → Still Watching → OFF.

How do I keep my Insignia Fire TV on for digital signage or pet TV?

For digital signage or leaving TV on for pets, apply this combination: First, set Sleep Timer to "Never" or 240 minutes (Settings → Display & Sounds → Screen Saver → Sleep Timer). Second, disable "Still Watching" (Settings → Preferences → Data Usage Monitoring → Still Watching → OFF). Third, set Screen Saver Start Time to "Never" if you don't want the ambient display. For absolute permanence, the ADB method with sleep_timeout set to 0 guarantees the TV stays on indefinitely.

My settings keep resetting after every software update. How do I prevent this?

Fire TV software updates can reset sleep settings to factory defaults - this is a known frustration. The ADB method (Method 5) provides a more persistent solution that typically survives minor updates, though major FireOS upgrades may still reset it. As a practical approach, after any update notification, immediately re-check Settings → Display & Sounds → Sleep Timer and Settings → Preferences → Data Usage Monitoring → Still Watching to verify your preferences remain intact.

Does this guide work for Fire TV Stick connected to an Insignia TV?

This guide focuses on Insignia TVs with built-in Fire TV. For a separate Fire TV Stick connected to any TV, the ADB method and settings paths work identically for the Stick itself, but sleep settings affect only the Stick - not the TV it's connected to. You may need to also adjust your TV's independent sleep timer through its own menu system. The Stick sleeping won't turn off the TV, but the TV sleeping will stop whatever the Stick was displaying.

Can I schedule my Insignia TV to turn off at specific times instead of completely disabling sleep?

Yes. Rather than fully disabling sleep mode, you can set a custom sleep timer duration. Navigate to Settings → Display & Sounds → Screen Saver → Sleep Timer and choose from options ranging from 5 minutes to 240 minutes. This countdown starts when you set it (on some models) or from your last remote activity, giving you controlled viewing sessions with predictable shutoff times. For Roku TV, the Options menu while streaming lets you set session-specific sleep timers.

Summary: Best Settings to Keep Your Insignia TV Always On

After testing these methods on multiple Insignia models across both Fire TV and Roku platforms, here's the definitive approach for keeping your TV running without unexpected shutdowns.

The Five Methods, Ranked by Effectiveness:

The most reliable combination for Fire TV users: Disable Sleep Timer (Method 1) + Disable Still Watching (Method 2). This two-step approach resolves the issue for 90%+ of users within 2 minutes. For users who need absolute certainty or whose settings keep resetting, the ADB Method (Method 5) provides system-level permanence.

Roku TV users have it simpler: Settings → System → Time → Sleep Timer → Off, combined with Settings → System → Power → Auto Power Savings → disabled checkboxes.

Recommended Settings by Use Case:

Key Takeaways:

The hidden "Still Watching" feature causes most unexpected Insignia Fire TV shutoffs - not the sleep timer. Most troubleshooting guides miss this entirely. Roku TV's Auto Power Savings setting operates separately from Sleep Timer and needs independent configuration. When standard settings don't stick, the ADB method offers permanent control.

If you've applied these settings and still experience shutoff issues, the problem likely isn't sleep mode at all - check HDMI-CEC settings and consider hardware diagnostics.

For ongoing issues with your Insignia TV beyond sleep mode, our complete Insignia troubleshooting guide covers power problems, display issues, connectivity failures, and more. With the right settings configured, your Insignia TV will stay on exactly as long as you need it - whether that's a 4-hour movie marathon or 24/7 digital signage.