Sleep
     Everybody everyday need to sleep. Sleep is very very important. But did you know that sleep is more important than food? Aperson who doesn't sleep dies faster than a person who doesn't eat.
    If you go to sleep 12 hours late. It will take your body about three weeks to return to normal. Ereryday we spend a third of the time go to sleep, then we spend  121 days go to sleep in a year.
    Did you know how much sleep do we need? we are all different. A baby needs 16 hours of sleep everyday.  Chirdren 6 to 12 years old need 10 to 12 hours of sleep. Teenagers need 9 to 10 hours of sleep .An adut needs 7 to 8 hours a night. After the age of 50, they are sleep time goes down to 6.5 hours a night.we need less sleep when we get older.
    Most people have sleep problem. About one in three Americans has a problem with sleep. Many of these people cannot fall asleep. The name is "insomnia". The word "insomnis" means"no sleep". some people say" I didn't sleep all night". But that's not really true. They may sleep lightly and wake up several times. In the morning, they only remember the times they were awke, so they think they were awake all night.
    This isn't a new problem. Many famous people had "insomnis".Some of these people had special ideas to make them sleep. Benjamin Franklin, the famous statesman and inventor had four beds. He moved from one to the other to fall sleep. King Louis XIV of France had 413 beds and hoped to fall asleep in one of them. Mark Twain, the famous American writer, had a different way. He lay on his side across the end of the bed!