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SleepLess is used to prevent the computer from going to sleep without changing system settings.

It updates system activity timer once per some interval.


  • No Dock icon
  • One click activation/deactivation
  • prevent sleep with lid closed

    What's New

    Version 2.8.3:

    • Application is now code-signed for OS X 10.8 Gatekeeper compatibility.


    • Mac OS X 10.6 or later, Intel 64

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    Current Version (2.x)


    Downloads 100,896
    Version Downloads 47,942
    Type Utilities / System
    License Shareware
    Date 19 Nov 2012
    Platform Intel 64 / OS X / Intel 32
    Price $9.50
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