In case you find your Sleep Timer not working in Windows, here's what you can do. The Sleep Timer can be a valuable asset for someone who works uses a PC regularly.

If you want to restart your computer on a delay, use shutdown -r -t XXXX instead. To cancel the timer, open the Run window or Command Prompt again and enter shutdown -a.

Once the timer has elapsed, your playback stops, your computer can go to sleep, and you won't have to worry about wasting energy or being jarred awake by a blaring ad break.

For those who enjoy playing YouTube videos before bed, YouTube has released a sleep timer to turn off videos so you don't sleep through them.

Shutting down your device or putting it in sleep mode comes down to the user. Kurt "CyberGuy" Knutsson explains the pros of doing each method for your computers.

Your laptop may switch too sleep mode after 20 minutes because the sleep mode inactivity timer is set to 20 minutes, or the computer has poor battery life. Windows computers use something called ...

Windows 7 Sleep mode stores open data in system memory and places your computer into a power-saving state. If you regularly alternate between computer and hands-on work at your business, your ...

In that case, I’d recommend diving into your computer’s power settings to see if you have a sleep timer set up. My Mac will go to sleep after 30 minutes of inactivity, but you can set that ...

Tap “Sleep Timer.” Set the timer length (between 5 and 60 minutes, or end of current episode/track). You can also open the Sleep Timer menu while the countdown is running to manually pause it.