powercfg -lastwake

Use the command line to find what causes the PC to wake up

One way to find out what is causing a wake-up problem is provided by the command line. Open a command prompt with elevated privileges and enter this command:

    powercfg –lastwake

The last device that woke up the system will be shown.

To find out which devices are enabled to wake up the PC, enter this command

    powercfg -devicequery wake_armed

These commands are the same in Windows 7 on up through Windows 10.

https://forums.tomshardware.com/threads/computer-comes-out-of-sleep-randomly.1625760/

https://www.howtogeek.com/122954/how-to-prevent-your-computer-from-waking-up-accidentally/

https://www.techsupportalert.com/content/how-fix-computer-keeps-waking.htm

https://www.lifehacker.com.au/2014/03/how-find-out-what-woke-up-your-computer-last/

https://superuser.com/questions/964751/windows-10-keeps-waking-from-sleep

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