【正文】
Sleep too little can lead to a higher risk of being fat and getting depressed (沮喪的 ). But before you go to a doctor for advice, it’s worth examining your sleeping habits one more of your favorite evening habits may have something to do with the sleeping problems. 1. Setting a Bright Alarm Clock The light of your bright alarm clock can prevent you from falling can make your room as dark as the bright numbers with a book or consider buying a small travel cellphone alarm may also do the trick. 2. Counting Sheep When you just can’t fall asleep , it’s useless to stay in bed to count you’ve been trying to fall asleep for more than 30 minutes , the National Sleep Foundation suggests that you get up to do some reading or watch TV for a activities will make you you know it, you’ll be going back to bed really tired. 3. Exercising Late at Night Daytime workouts (鍛煉 ) will keep you full of energy for ’s why you don’t want t o exercise within three hours of (劇烈的 ) physical activity raises your body temperature and pumps your energy level— both are bad for a good night’s sleep. 1. What can we learn from the first sentence of the passage? A. It’s not good to fail to fall asleep at night. B. People in a good pany often have sleeping problems. C. There are many people who have sleeping problems. D. You should find someone to talk to if you can’t fall asleep. 2. The underlined part “hitting the sack” in the last p aragraph means “________” . A. going back home B. going to bed C. going to the gym D. falling asleep 3. Which of the fol