a sleepless night.
sleepless devotion to duty.
the sleepless ocean.
without sleep or rest: a sleepless journey
unable to sleep
always watchful or alert
(mainly poetic) always active or moving: the sleepless tides
verb (used without object), slept, sleeping. 1. to take the rest afforded by a suspension of voluntary bodily functions and the natural suspension, complete or partial, of consciousness; cease being awake. 2. Botany. to assume, especially at night, a state similar to the sleep of animals, marked by closing of petals, leaves, etc. 3. to […]
- Sleep like a log
Also, sleep like a top. Sleep very soundly, as in I slept like a log, or She said she slept like a top. Both of these similes transfer the immobility of an object to that of a person who is sound asleep (since a top spinning quickly looks immobile). The first dates from the late […]
noun 1. a toy, often inversely conical, with a point on which it is made to spin. Idioms 2. sleep like a top, to sleep soundly: After a day of hiking and swimming we slept like tops. noun 1. the highest or uppermost part of anything: the top of a hill 2. the most important […]
- Sleep mode
noun an energy-saving standby condition of a computer which can be reactivated by external stimulus, such as touching the keyboard Usage Note computing