sleeping

1. To rest in a state of reduced consciousness.

   You should sleep 8 hours a day.

2. (of a spinning top or yo-yo) To spin on its axis with no other perceptible motion.
3. To cause (a spinning top or yo-yo) to spin on its axis with no other perceptible motion.
4. To accommodate in beds.

   This caravan can sleep four people comfortably.

5. To be slumbering in (a state).

   to sleep a dreamless sleep

6. To be careless, inattentive, or unconcerned; not to be vigilant; to live thoughtlessly.
7. To be dead; to lie in the grave.
8. To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant.

   a question sleeps for the present; the law sleeps

9. To wait for a period of time without performing any action.

   After a failed connection attempt, the program sleeps for 5 seconds before trying again.

10. To place into a state of hibernation.

noun

The state of being asleep, or an instance of this.

1. Asleep.
2. Used for sleep; used to produce sleep.