Sleep may refer to any of the following:
1. Sleep is a state of low-power inactivity commonly found on many computers and peripherals today. See our Stand by definition for further information and related links on this term.
2. Linux and Unix command available in some variants. See the sleep command page for further information about this command.
3. Sleep is a downloadable file for MS-DOS that allows batch files in MS-DOS and Windows to sleep for x amount of seconds. See the batch file overview for further help.