How to adjust power and sleep settings in Windows
To adjust power and sleep settings in Windows 10, go to Start , and select Settings > System > Power & sleep. Under Screen, select how long you want your device to wait before turning the screen off when you're not using your device.
Shut down, sleep, or hibernate your PC - Microsoft Support
Sleep. Sleep uses very little power, your PC starts up faster, and you’re instantly back to where you left off. You don’t have to worry that you'll lose your work because of your battery draining because Windows automatically saves all your work and turns off the PC if the battery is too low.
Power efficient settings in Windows 11 - Microsoft Support
Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery .
Change display brightness and color in Windows - Microsoft …
To help you get to sleep, turn on the night light and your display will show warmer colors at night that are easier on your eyes. Note: Night light isn't available if your device uses certain drivers, like DisplayLink or Basic Display.
Change the power mode for your Windows PC - Microsoft Support
Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.
Change your screen saver settings - Microsoft Support
Change your screen saver settings Applies To Windows 10 Select the Start button, then go to Settings > Personalization > Lock screen , and select Screen saver settings .
Managing Presence Sensing settings in Windows 11
May 2023 update for Windows 11 22H2 and later: Wake on approach can be enabled on systems that support S3 sleep state, such as desktops. For USB-connected presence sensors to work properly on these systems, you'll need to enable USB Wake Support (or a similarly named option) in BIOS settings.
Battery saving tips for Windows - Microsoft Support
Set a shorter duration for an active display. Select Start > Settings > System > Power & battery > Screen and sleep. For On battery power, turn off my screen after, pick a shorter duration. Open Power & sleep settings. Reduce your display’s brightness. Select Start > Settings > System > Display > Brightness .
Troubleshoot problems waking computer from sleep mode
You may be unable to wake the computer from sleep or standby mode by using your mouse or keyboard. After you wake your computer from standby, your pointing device may not work. When you press the SLEEP key on a keyboard that has a Sleep key or has a key that is configured to activate Sleep, the computer does not go into Sleep mode.
How to use alarms and timers in the Clock app in Windows
Alarms and timers work even if the app is closed or your device is locked. If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & sleep to adjust your device’s sleep settings).