sleepv.睡觉n.睡眠;睡觉
sleep roughn.露宿(在公园过夜)
sleep-outadj.不住工作地方的
sleep cycle睡眠周期
sleep state沉睡状态
Sleeping Hon照准丝
sleep theory睡眠学说
sleep cycles睡眠周期
sleep ritual睡眠仪式
sleep on sth把(某事)留待第二天决定, 用一夜时间来考虑
"the two children who were snuggled sleepily in the back of the car"