Antonym: awake. Similar words: fall asleep, sleep, sleepy, go to sleep, sleeping, oversleep, sleeping partner, measles. Meaning: [ə'sliːp] 
adj. 1. in a state of sleep 2. lacking sensation 3. dead. adv. 1. into a sleeping state 2. in the sleep of death.
adj. 1. in a state of sleep 2. lacking sensation 3. dead. adv. 1. into a sleeping state 2. in the sleep of death. 
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181. The typewriter was rattling away so loudly that we could not fall asleep.
182. I fell asleep on the train and fetched up in Glasgow.
183. Apart from two men on watch in the engine-room, everyone was asleep.
184. He was already asleep in the bed, which smelled faintly of mildew.
185. Strange thoughts float into my mind when I am nearly asleep.
186. Donna did not dare settle herself too comfortably into her seat, in case she fell asleep.
187. Torn between anger and self - reproach, he could hardly fall asleep.
188. He stretched out in front of the fire and fell asleep.
189. The driver must have fallen asleep at the wheel .
190. Exhausted,[www.Sentencedict.com] they fell asleep.
191. The man in the passenger seat seemed to be asleep.
192. Strange thoughts float through my mind when I am nearly asleep.
193. He fell asleep as soon as his head touched the pillow.
194. After five minutes, the fat woman in the seat in front of me was asleep.
195. To tell the truth, I fell asleep in the middle.
196. Maybe you fall asleep in class because of uncorrected astigmatism.
197. We escaped at dead of night, when the guards were asleep.
198. She buried her head under the covers, pretending to be asleep.
199. Michelle had fallen asleep with her head against his shoulder.
200. His eyes were shut and he seemed to have fallen asleep.
201. I debated the idea in my mind until I fell asleep.
202. One in seven road accidents is caused by drivers falling asleep at the wheel .
203. She snuck out of the house once her parents were asleep.
204. Every now and again she went upstairs to see if he was still asleep.
205. I was in that half-and-half land where you are not completely asleep nor completely awake.
206. He showed me up by falling asleep at the concert.
207. The patient, who had been asleep for nearly three hours, began to move his body.
208. The travellers were so tired that they flopped into bed and fell asleep at once.
209. He was asleep, lying on his front with his head turned to one side.
210. I've been sitting on my leg and now it's asleep.