c. 1300, past participle adjective from sleep (v.). Sleeping-pill is from 1660s; sleeping-bag is from 1850; sleeping sickness as a specific African tropical disease is first recorded 1875; sleeping has been used since late 14c. for diseases marked by morbid conditions. Sleeping Beauty (1729) is Perrault's La belle au bois dormant.
It is ill wakyng of a sleapyng dogge. [Heywood, 1562]
It is nought good a slepyng hound to wake. [Chaucer, c. 1385]
权威例句
1. On the top floor we have sleeping quarters for women and children.
我们在顶楼有供女人和孩子睡觉的地方。
2. They had been up all night and were sleeping it off.
他们前一天整夜未眠,所以这时正在补觉。
3. They are sleeping in the carpenter's shop directly above.
他们正在正上方的木匠铺子里睡觉。
4. Many are sleeping in the open because they have no shelter.
很多人因为没有栖身之所,只好露宿在外。
5. It is never a good idea to take sleeping tablets regularly.