Synonym: doze, drowse, nap, rest, slumber, snooze. Antonym: wake. Similar words: go to sleep, sleeve, flee, fleet, aisle, Chrysler, keep, steep. Meaning: [slɪːp] 
n. 1. a natural and periodic state of rest during which consciousness of the world is suspended 2. a torpid state resembling deep sleep 3. a period of time spent sleeping 4. euphemisms for death (based on an analogy between lying in a bed and in a tomb). v. 1. be asleep 2. be able to accommodate for sleeping.
n. 1. a natural and periodic state of rest during which consciousness of the world is suspended 2. a torpid state resembling deep sleep 3. a period of time spent sleeping 4. euphemisms for death (based on an analogy between lying in a bed and in a tomb). v. 1. be asleep 2. be able to accommodate for sleeping. 
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151. She rubbed the sleep from her eyes.
152. You could have a little sleep in the car.
153. You can sleep on the air bed.
154. I heard her cry out in her sleep.
155. The old woman dropped off in her sleep.
156. It's hard to sleep on hot summer nights.
157. He went to sleep over his work.
158. I cried myself to sleep at last.
159. She patiently sang the baby to sleep .
160. REM sleep is termed 'active' sleep.
161. I awoke from a deep sleep.
162. Anything will do to sleep on.
163. Most nights he would cry himself to sleep.
164. Those cats robbed me of my sleep.
165. You can't function properly when you're deprived of sleep.
166. The pain was so intense I couldn't sleep.
167. I feigned sleep when the ticket inspector came round.
168. He muffled his face and went to sleep.
169. REM sleep is an essential part of brain function.
170. Eight hours of deep sleep helped enormously .
171. He felt dulled and stupid with sleep.
172. I wouldn't lose any sleep over what happened.
173. The good news washed sleep out of his eyes.
174. They drifted off to sleep as the music played.
175. Having a milky drink before bed helps me sleep.
176. How long can a human being go without sleep?
177. I can't get to sleep with all that singing.
178. Most classical music sends me to sleep.
179. "Did you sleep well?"[sentencedict.com],[http://sentencedict.com/sleep.html] he asked politely.
180. Sleep is necessary to/for one's health.
More similar words: go to sleep, sleeve, flee, fleet, aisle, Chrysler, keep, steep, sweep, keep to, keep up, keep off, keep on, keep down, keep away, keep back, keep out of, keep from, keep in mind, keep up with, keep in touch, keep an eye on, keep pace with, keep company with.