Sleep mode. Sleep mode is a low power mode for electronic devices such as computers, televisions, and remote controlled devices. These modes save significantly on electrical consumption compared to leaving a device fully on and, upon resume, allow the user to avoid having to reissue instructions or to wait for a machine to reboot.
https://en.wikipedia.org/wiki/Sleep_mode
3. Click the “Turn off the Display” drop-down list and then select “Never.”. 4. Click the “Put the Computer to Sleep” drop-down list and then select “Never.” Click “Save Changes” to close this window. 5. Click “Close” to close the Power Options window. Now your computer and screen display will not go into sleep mode.
http://smallbusiness.chron.com/make-windows-not-sleep-mode-74075.html
Shutting down your PC at the end of the day is so 20th century. What you probably should be doing is putting it into sleep mode. You'll save that interminable wait for your system to boot up, and it won't destroy the Earth or your bank account with a dramatic change in energy usage. Allow me to illustrate.
http://www.pcworld.com/article/169941/Why_You_Should_Use_Sleep_Mode.html
Putting your laptop to sleep (Stand By) in Windows Vista. To “sleep” your laptop when Windows Vista is the operating system, heed these steps: Click the Start button. Click the triangle next to the Padlock icon. Choose Sleep from the pop-up menu.
http://www.dummies.com/computers/pcs/how-to-put-your-laptop-into-sleep-mode/
How to Put Your Computer to Sleep in Windows 10. Information. Sleep uses very little power, your PC starts up faster, and youre instantly back to where you left off. You dont 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.
https://www.tenforums.com/tutorials/7503-sleep-computer-windows-10-a.html
How to Put a Desktop Computer to Sleep. By putting your desktop computer to sleep, you save power when your computer is idle. Standby and hibernation are two different kinds of sleep. These instructions are for Windows 98. First, save all of your work. Information in computer memory is not saved while your computer is on standby.
https://www.techwalla.com/articles/how-to-put-a-desktop-computer-to-sleep
Putting your laptop to sleep by using the sleep button. When your laptop is blessed with a sleep button, pressing it puts the laptop to sleep instantly. But, hang on! The sleep button’s function can be changed, so pressing that button may not always put the laptop to sleep.
http://www.dummies.com/computers/pcs/how-to-put-your-laptop-into-sleep-mode/
To “sleep” your laptop when Windows Vista is the operating system, heed these steps: 1  Click the Start button. 2  Click the triangle next to the Padlock icon. 3  Choose Sleep from the pop-up menu.
http://www.dummies.com/computers/pcs/how-to-put-your-laptop-into-sleep-mode/
For a lot of PCs (especially laptops and tablets), your PC goes to sleep when you close your lid or press the power button. This tutorial will show you different ways on how to put your local Windows 10 PC to sleep. 1. Open the Start menu, click/tap on the Power button, and click/tap on Sleep.
https://www.tenforums.com/tutorials/7503-sleep-computer-windows-10-a.html
Selecting “Never” will turn off your computer’s sleep mode and keep your current work visible on the screen and ready for your next task. 1  1. Press the “Windows” key, type “Control Panel” to bring up the Apps page and then click “Control Panel” to open the window.
http://smallbusiness.chron.com/make-windows-not-sleep-mode-74075.html
what does putting my laptop to sleep do
The  putting my laptop sleep to do Click the Start button and Click the triangle next to the Padlock icon. Choose Sleep from the pop-up menu. to put a laptop to sleep: 1) Click the Start button. 2) Click the triangle next to the Padlock icon. 3) Choose Sleep from the pop-up menu.