问题详情：
七选五阅读
There's plenty of advice out there about what to do to get to sleep But what about what not to do? Pay attention to the following prebedtime activities. __1__
Exercise is a vital activity for your health, and can actually contribute to getting betterquality sleep. __2__ And so it can make falling asleep more difficult.
Studies have shown that too much screen time can impair your body's ability to fall asleep. __3__
Like exercise, hot showers and baths can actually help you fall asleep. The problem, however, comes out of taking one too close to the time you plan to go to bed. __4__
Caffeine, of course, and alcohol both make it difficult to get a good night's rest. But drinking a lot of any liquid within the last hour or two before you go to bed will lead to late night bathroom breaks, and further disrupt your sleep. You shouldn't go to bed thirsty, however, as you'll likely wake up in the middle of the night to get a drink of water, __5__
A. Balance is key here.
B. Enough sleep is necessary.
C. So close that laptop and turn off that TV about an hour before bed.
D. But exercising within three hours of bedtime can raise your body temperature.
E. Late exercises are better than hot showers.
F. They could be hurting your chance at getting a good night's sleep.
G. Being overheated can bring same affects just like late exercises.
【回答】
F D C G A
知识点：七选五题型
题型：阅读理解
