The program includes a calendar that lets you select when you want to lock your computer. In addition, you can also use the calendar as a timer; for example, if you want, you can set it up for only two hours at a time, after which it will unlock itself.
Don't Sleep doesn't require installation. It is very easy to use and has a very intuitive interface, since there aren't many options and the features it does include are very straightforward.
Don't Sleep is a great tool for users who leave their computers on for long periods of time and do not want them to restart or shut down.