To take rest by a suspension of the voluntary exercise of the powers of the body and mind, and an apathy of the organs of sense; to slumber.

To be dead; to lie in the grave.

To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant; as, a question sleeps for the present; the law sleeps.

To be slumbering in; -- followed by a cognate object; as, to sleep a dreamless sleep.

1. The process of suspending a computational process without terminating it. The computations can be re-started after some event triggers it. 2. On desktop computers, an option to go into a low-energy mode. This process is usually engaged after a user-specified amount of time without any input device (e.g., a mouse or keyboard) being used. The event that re-activates the computer is often a mouse movement or a key stroke.

To wait a little while.

sleep suspend execution for a specified interval

Sleeping is similar to blocking in that the thread involved is suspended for a period of time. The difference is that blocking typically involves waiting on system resources, while sleeping generally involves waiting on an event.

A natural and healthy, but temporary and periodical, suspension of the functions of the organs of sense, as well as of those of the voluntary and rational soul; that state of the animal in which there is a lessened acuteness of sensory perception, a confusion of ideas, and a loss of mental control, followed by a more or less unconscious state.

a state marked by lessened consciousness, lessened movement of the skeletal muscles, and slowed-down metabolism

an altered state of consciousness in which the individual’s perception of and reaction to the environment are decreased

the natural periodic suspension of consciousness during which the powers of the body are restored, characterized by lessened consciousness and slowed-down metabolism

a period of time spent sleeping; "he felt better after a little sleep"; "there wasn't time for a nap"

An application tells the operating system it doesn't want to be considered ready to be dispatched for a period of time.

time Delays time seconds.

Unix command line program that delays execution for a specified period of time.