Accordingtothedoctors,mostadultsneedaboutseventoeigh...

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問題詳情：

According to the doctors, most adults need about seven to eight hours of sleep each night to feel great during the day. 51

Are you getting enough sleep each night? See how many of the six signs below describe you. This will give you a good idea of whether you need more sleep or not.

①____52_______

If you’re getting enough sleep, you should be able to wake up on time without a morning alarm. Hitting the button several times before getting up is a clear sign of sleep loss.

②You’re driving, sleepy and tired.

Falling asleep at the wheel is a sure sign and you are too tired. It’s also dangerous.

③You’re crazy about the coffee pot.

A cup of coffee to start your day is fine, but you should’t have drink coffee all day to stay awake.

④You ‘re forgetful.

54 It holds back short-term memory.

⑤You’re upset and easy to be angry

Being tired can have a negative effect on your moods. It makes you more likely to feel anxious, depressed and disappointed.

⑥You’re frequently getting sick.

55 So it’s harder for your body to fight illness.

A. You are dependent on an alarm clock.

B. It is a common cause of deadly traffic accidents.