阅读理解：
Insomnia
Any of large number of simple factors may make it difficult for someone to fall asleep. His mattress may be too soft or too hard. If there are too many blankets on a hot night, he may be too warm;if the mattress is too light he may feel cold during the night. The bedroom itself may be overheated or too cold. If it is not dark enough, or too noisy, this may cause difficulty in sleeping. Eating shortly before going to bed may also be responsible for insomnia. Drinks, such as tea or coffee, can also keep people awake.
The cause of insomnia may be easy to correct. The sufferer should check the mattress, and bedroom temperature, and make any necessary changes. He should relax for an hour or two before bedtime, perhaps by reading a book, watching television or taking a warm bath. If he wakes during the night he should try turning on the light and reading for a while. Taking warm milk and a biscuit or two may be helpful. Above all, he should try not worry about sleeplessnesswhen someone is tired enough he nearly always falls asleep.
A a serious disease.
C a sign of illness.
32 According to the passage, people who has difficulty in sleeping should sleep in
B a light and warm room.
D a dark and warm room.
A eat anything during supper time.
C watch television shortly before going to bed.
34 According to the passage, what is the worst aspect of insomnia?
B Eating too much before going to bed.
D Reading too much at night.
A its cause can be corrected by making oneself feel tired enough.
C some people can catch up on their sleep during the day.