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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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3 17


Current Version (2.x)


Downloads 101,349
Version Downloads 48,395
Type Utilities / System
License Shareware
Date 19 Nov 2012
Platform Intel 64 / OS X / Intel 32
Price $9.50
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