选词填空：用适当形式填空，每空限用一次。
health, enough, good, sleep, late, hour, much, loudly, have, work
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Everyone needs to sleep. During the day you work and play; at night you sleep. Your body rests while you are
1 . In the morning you are ready to
2 , study or play again. If you sleep
3 at night, you can work or learn better in the day.
Your body grows more while you are asleep. No one can live without sleeping. If a child is tired, he needs
4 sleep than usual. You will be tired or will not be able to listen to your teachers in class or can’t work well if you do not have
5 sleep at night. A baby will cry
6 if you wake him or her up when he or she is sleeping. You will be able to do well in your lessons if you
7 enough rest. Many students hope to learn more before rests, so they study till
8 at night. But they feel very tired in the day and they may forget more.
Boys and girls of eight or nine need ten
9 of sleep every night. Get enough sleep if you want to be strong and
10 .