Human sleep and animal sleep (non-human) are a form of rest.

Sleep or Sleeping can also refer to:


In biologyEdit

  • Rheum (also known as "sleepies"), mucus formed in the eyes during sleep
  • To "sleep with someone" implies having sexual relations or sleeping with that person
  • Transient paresthesia, the sensation produced by an extremity which has "fallen asleep"

In computer systemsEdit

  • Sleep (operating system), an operating system call to suspend the execution of a program for specified period of time
  • Sleep (Unix), a Unix command that delays program execution for a specified period of time
  • Sleep mode, in which a computer becomes inactive
  • Sleep programming language, a scripting language executed on the Java platform

In art, entertainment, and mediaEdit




Classical compositionsEdit




  • SLEEP, the official publication of the Associated Professional Sleep Societies (also known as the Sleep Research Society)

In peopleEdit

See alsoEdit