Sleep is a basic function of life – we all need it and we all do it. Yet for something so seemingly simple, getting good sleep on a regular basis proves challenging for many us. Luckily, given its crucial importance to health and well-being, the subject of how we can all get better...
too. “We’ve learned that sleep before learning helps prepare your brain for the initial formation of memories,” Dr. Matthew Walker, a sleep scientist at the University of California, Berkeley, told the NIH’sNews In Health. “And then,sleep after learning is essentialto help save and ceme...
Light tells the brain it is time to wake up. That's probably obvious to anyone who has had to turn on a light in the middle of the night and then has had trouble getting back to sleep. What may not be so obvious is that exposure to light at other times, particularly in the early...
How much sleep do we need?We are all different.A baby needs 16 hours of sleep every day.Children 6 to 12 years old need an average(平均) of 10 to 12 hours of sleep.Teenagers need 9 to 10 hours of sleep.An adult needs an average of 7 to 8 hours a night.There are some people ...
About one in three Americans has a problem with sleep . Many of these people cannot fall asleep . The name of this problem is insomnia . Some people say, “ I didn't sleep all night .” But that's not really true . They may sleep lightly and wake up several times . In the mornin...
With the harsh competition in todays society, more and more peoplecomplain about their stress in their daily life. Stress mainly comes from ourwork, study and families. When we feel stressed, we often have bad moods on theday and cant sleep well at night. Thats too bad for our health. ...
Similar to the first stage, you’re still sleeping lightly. The main difference is thatsleep spindlesstart to appear in stage two. These are characterized by sharp, increased brain wave frequencies followed by a decline. Most 20-30 minute naps only reach stage two of sleep. You’ll feel ref...
ready-to-eat food or have a light camping stove. The easiest way to pack for a long hike is to focus on tightly packed snacks and easy-to-prepare meals that don’t need to be cooked. But generally, you want to pack your bags as lightly as possible so that you don’t waste too ...
阅读理解(七选五)主题:睡眠周期体裁:说明文词数:280难度:★★★☆☆建议用时:6分钟正确率/5How to Restore Your Sleep CycleSleep is important, as it actually helps the body to deal with stress. The body prepares for sleep at night bycreating one hormone(荷尔蒙), which causes the body to experie...
going to sleep because ___ A. He was used tospending the night in hospital. B. He had nochoice on matters of shifts. C. He wanted toaccumulate experience. D. He had justcompleted his residency.2.In the last month of his residency,Dr.Nolen nolonger dwelt on his decision once it ...