根据首字母提示填空，每空一词（本题有10小题，每小题1分，共10分）
Experts say that students usually need eight or ten hours’ sleep at night, but most Chinese students don’t get e       小题1: sleep. Some Chinese parents are usually glad to see their children s       小题2: late. They will think their children work hard. But not all parents are happy about this. Once a mother t      小题3: us that every morning her ten-year-old boy put up one finger w       小题4: his eyes still closed, begging （乞求） for one minute to sleep. Like thousands of “early birds” in China, he has to get up b      小题5: six every morning.
A report s       小题6: that without a good night’s sleep, students seem to be weaker t     小题7: they should be. Many students have fallen asleep during class at one time or another. Too much homework is not the only reason w       小题8: students stay up late. Watching TV or playing computer games late into night is a       小题9: a reason.
Experts have ever said that students should have good study habits. So some clever students n       小题10: study late, they are able to work well in class.