Agoodnight’ssleepisimportanttoeveryoneofus.Asweknow,sle...

問題詳情：

A good night’s sleep is important to every one of us. As we know, sleep has a lot of benefits.

*____36____Heart attacks and strokes are more common during the early morning hours. This fact may be explained by the way sleep interacts with the blood vessels(血管). Lack of sleep has been associated with worsening of blood pressure. Your heart will be healthier if you get between 7 and 9 hours of sleep each night.

*Sleep can reduce stress ____37____ The body’s functions are put on high alert which causes an increase in blood pressure and a production of stress hormones(荷爾蒙). Higher blood pressure increases your risk for heart attacks and strokes. The stress hormones also, unfortunately, make it harder for you to sleep.

*____38____ A good night’s sleep makes you feel energized and alert the next day. Being engaged and active not only feels great, it increases your chances for another good night’s sleep. When you wake up feeling refreshed, use that energy to get out into the daylight, do active things, and be engaged in your world. You’ll sleep better the next night and increase your daily energy level.

* Sleep may help you lose weight. Researchers have also found that people who sleep less than seven hours per night are more likely to be overweight or obese.____39____ So if you are interested in controlling or losing weight, don’t forget to pay attention to getting a good night’s sleep.

*Sleep helps the body make repairs. Sleep is a time for your body to repair damage caused by stress, rays and other harmful exposures. ____40____ These protein molecules(分子) form the building blocks for cells, allowing them to repair damage.

A. Sleep makes you more alert.

B. Sleep improves your memory.

C. Sleep keeps your heart healthy.

D. Your cells produce more protein while you are sleeping

E. When your body lacks sleep, it goes into a state of stress.

F. As we know, the body can do repair work itself before the damage becomes worse.

G. It is thought that the lack of sleep impacts the balance of hormones in the body that affect appetite.

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