Just saw this: "Lights Out is an application designed to give users more control over Apple's Energy Saver. It helps solve the problem of Energy Saver insomnia. Many scanners and other peripherals interfere with the 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." (Authors description) http://www.northernsoftworks.com/lightsout.html But I don't think it solves the deep sleep-problem that has been discussed here - i.e. waking up again. /Peer