D a dark and warm room.
33 According to the passage, if a person wants to fall asleep fast he shouldn’t
A eat anything during supper time.
B read any books before he goes to bed.
C watch television shortly before going to bed.
D drink anything that will keep him awake.
34 According to the passage, what is the worst aspect of insomnia?
A Watching too much television.
B Eating too much before going to bed.
C Worrying about sleeplessness.
D Reading too much at night.
35 According to the author, insomnia shouldn’t be a serious problem because
A its cause can be corrected by making oneself feel tired enough.
B doctors can cure it easily.
C some people can catch up on their sleep during the day.
D some people don’t need so much sleep.