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Asks computer to go to sleep (standby).

Component Version macOS Windows Linux Server iOS SDK
System 3.1 ✅ Yes ✅ Yes ❌ No ✅ Yes, on macOS and Windows ❌ No
MBS( "System.Sleep" )




Returns OK or error number.


Asks computer to go to sleep (standby).
It is possible that user or other application stops the sleep process.
Operation will run asynchronously. The function returns immediately and sleep starts a second later.

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This function is free to use.

Created 18th August 2014, last changed 21st May 2018

System.Shutdown - SystemInfo.ADSystemInfo