SleepTime 1.2 for Mac was free to download from our application library. This free software can be installed on Mac OS X 10.6 or later. The most popular version among the program users is 1.2. This free Mac app is a product of ZanApps. The application lies within Productivity Tools, more precisely Timekeeping. The unique ID for this program's bundle is com.zanapps.sleeptime.
From the developer:
SleepTime is a free, light-weight app that lives on your menu bar, letting you easily set a timer to put your Mac on sleep automatically after a specified time period you choose.
Not only that! With SleepTime, You can also keep your computer awake and prevent sleep for a period of time.
‣ The Sleep Timer
You are sleeping watching a YouTube video and you don't want your computer to stay on until morning.
You may want to check out more software for Mac, such as GeburtstagsChecker, OmniGrowl or pomodoro, which might be similar to SleepTime.