If you experience your Windows 10 machine wakes up from sleep you can disable this behavior following this manual.

• Right click to Start > Run
  • 
• Type: powercfg.cpl > OK
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• Choose you active plan (in this case it’s High performance) and click to Change plan settings
  • 
• Click to Change advanced power settings
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• Navigate to Sleep > Allow wake timers > Disable (in case you can’t change settings you need to click in top to “Change settings that are currently unavailable“)
  • 

TIP:

To see what woke up your computer simly run in CMD/PowerShell:

powercfg -lastwake