"he didn't get enough sleep last night"
"calm as a child in dreamless slumber"
"he felt better after a little sleep"
"there wasn't time for a nap"
"she was laid to rest beside her husband"
"they had to put their family pet to sleep"
"This tent sleeps six people"
asleep adj. 睡着的;休眠的;麻木的;已死的; adv. 熟睡地;处于麻木不仁的状态;长眠;
oversleep vi. 睡得太久，睡过头;
sleeper n. 卧车;轨枕;睡觉（呈某种状态）的人;冬眠动物;
sleepless adj. 失眠的，睡不着的;不眠的，醒着的;无休止的;警觉的;
sleepover n. 就是孩子到别的小朋友家过夜。;
sleepwalk vi. 梦游;
sleepwalking n. 梦游病; v. 梦游( sleepwalk的现在分词 );
sleepwear n. 睡衣裤;
sleepy adj. 欲睡的;困乏的;安静的;冷清的;
sleepyhead n. <口>贪睡者，懒鬼;