You can set a hibernation time for your computer in Windows 11, though you might need to enable the feature first.

To set the sleep timer on Windows 10, you'll need to find and open your computer's "Power & Sleep" menu.

How to Set the CMOS Clock in a Toshiba Notebook. The basic/input output system, or BIOS, initializes the hardware in a Toshiba notebook based on information stored in the CMOS, a chip on the ...