Lights Out有点类似应用程序的管理器，你可以设定那类软件一直运行，那类软件多少分钟后进入睡眠状态。

Lights Out

v3.1.4 Mac OS X | 6 MB

Lights Out enables hot corners to put your Mac to sleep, or keep it awake. Lights Out can set sleep on or off for individual applications. Lights Out cures Energy Saver insomnia. Many software packages, scanners, and peripherals can interfere with your Mac's normal sleeping patterns. Lights Out offers a secondary idle timer to put your Mac to sleep even when Energy Saver fails to do so. Lights Out gives you easy control and status of sytem sleep right from its Dock icon. Simple to configure, and simple to use, Lights Out makes no harmful changes to your system. Launch it and quit it just like any normal app! Lights Out is Energy Saver's Little Helper!

Lights Out v3.1.4 MacOSX