Sleep mode turns off your display and hard drive after a set time of inactivity to save power, but you can disable it entirely or change when it kicks in
Sleep mode is a power-saving feature that puts your PC into a low-energy state when you are not using it. Your screen goes dark, your hard drive stops spinning, and your CPU runs at minimal speed — but your PC stays on and ready to wake when ready when you move your mouse or press a key. If you want your PC to stay fully awake at all times, or if sleep mode is interrupting your work, you can turn it off in Windows settings in under a minute.
The steps differ slightly between Windows 11 and Windows 10, but both routes use the same Settings menu. You do not need administrator rights, and the change takes effect when ready.
Key Takeaways
- Sleep mode is disabled through Settings > System > Power & battery (Windows 11) or Settings > System > Power & sleep (Windows 10).
- You can turn off sleep mode entirely, or you can change the timeout so your PC sleeps after 30 minutes, an hour, or never.
- If you want your PC to stay on but your monitor to turn off, change only the display timeout and leave the sleep timeout alone.
- Some programs, like video players or presentations, can prevent sleep mode automatically while they are running.
How to disable sleep mode in Windows 11
Open Settings by pressing Windows key + I, or click the Start menu and type "Settings". In the left sidebar, click System, then click Power & battery.
Under the "Screen and sleep" section, you will see two dropdown menus: one for "Screen" and one for "Sleep". Click the "Sleep" dropdown and select Never. Your PC will no longer enter sleep mode. If you want to keep sleep mode but delay it, select 30 minutes, 1 hour, 2 hours, or 3 hours instead.
Close Settings. The change is active when ready — you do not need to restart your PC.
How to disable sleep mode in Windows 10
Open Settings by pressing Windows key + I. Click System, then click Power & sleep in the left sidebar.
Under "Sleep", you will see a dropdown labeled "When plugged in, PC goes to sleep after". Click it and select Never. If your PC is usually on battery power, also change the "On battery power, PC goes to sleep after" dropdown to Never. Close Settings — the change takes effect right away.
Turning off only the display while keeping sleep mode
If you want your monitor to turn off to save energy but your PC to stay awake and responsive, adjust only the "Screen" timeout and leave "Sleep" set to a longer interval or Never. This is useful if you want to reduce power use without losing the ability to wake your PC when ready.
In Windows 11, set "Screen" to 5 or 10 minutes and "Sleep" to Never. In Windows 10, set "When plugged in, turn off my screen after" to your preferred time and leave the sleep dropdown unchanged. Your monitor will go dark, but your PC will keep running.
Using the power plan settings for more control
If you need finer control — for example, different sleep times when plugged in versus on battery — you can use the classic Power Plans menu. Press Windows key + R, type powercfg.cpl, and press Enter. This opens the Power Options window.
Click Change plan settings next to your active plan (usually "Balanced"). You will see separate timeouts for plugged-in and battery modes. Set "Put the computer to sleep after" to Never for both, or choose your preferred delay. Click Save changes and close the window.
Preventing sleep mode while specific programs are running
Some applications, like video players, presentation software, or streaming apps, automatically prevent sleep mode while they are active. Windows recognizes these programs and keeps your PC awake without you having to change your system settings.
If a program does not do this automatically, you can use a third-party tool like Caffeine (free, lightweight) or Don't Sleep (free, more features) to block sleep mode temporarily. These tools sit in your system tray and let you toggle sleep prevention on and off without changing your Windows settings.
What to do if sleep mode keeps turning back on
If you set sleep mode to Never but your PC still sleeps, a few things may be overriding your setting. Check whether a program is forcing sleep mode, or whether your PC is waking from sleep and then sleeping again when ready.
Open Command Prompt as administrator (right-click the Start menu and select "Terminal (Admin)" or "Command Prompt (Admin)"), then type powercfg /lastwake and press Enter. This shows what woke your PC last — usually a mouse, keyboard, or network activity. If a device keeps waking your PC, you can disable it in Device Manager. If a program is the culprit, close it or uninstall it.
Frequently Asked Questions
Will turning off sleep mode use more electricity?
Yes. Sleep mode uses far less power than a fully awake PC — roughly 5 to 10 watts versus 50 to 150 watts depending on your hardware. If you leave sleep mode off all the time, your electricity use will increase noticeably. Consider using a longer sleep timeout (like 2 hours) instead of Never if you want to balance convenience and power cost.
Can I set different sleep times for different times of day?
Windows does not have a built-in scheduler for this. You can use a third-party tool like AutoHotkey to create a script that changes your power plan at specific times, but this requires some technical setup. For most users, a single timeout of 30 minutes to 2 hours works well.
What is the difference between sleep mode and hibernation?
Sleep mode keeps your PC powered on but in a low-energy state — it wakes when ready. Hibernation saves your open programs and files to disk, then shuts down completely — it takes longer to wake but uses almost no power. You can enable hibernation in the Power Options menu if your PC supports it.
Does sleep mode affect my downloads or file transfers?
Yes. When your PC enters sleep mode, most downloads and file transfers pause or stop. If you are downloading large files, disable sleep mode or set a timeout longer than your read will take. Some read managers can prevent sleep mode automatically.
How do I wake my PC from sleep mode?
Move your mouse, press any key on your keyboard, or press the power button. Your PC will wake in one to three seconds. You can also configure your PC to wake on network activity or when you open the lid (on laptops) through the Power Options menu.