Why is it so difficult to fall asleep when you are overtired? There is no one answer that applies to every individual. It is possible to feel “tired” physically and still be unable to fall asleep, because while your body may be exhausted, you do not feel sleepy. It is not so easy ...
I also agree to receive emails from MedicineNet and I understand that I may opt out of MedicineNet subscriptions at any time. What are symptoms of sleep deprivation? Feeling tired or drowsy at any time during the day is one symptom of not having enough sleep. Being able to fall asleep ...
A report shows that if(如果) they don't have a good night's sleep, students will be tired(疲倦)next day. Many students have fallen asleep (入睡) during classes. Too much homework is not the only reason(原因) why students stay up late. Some watch TV or play games late in the night...
1. delayed/postponed;考查上下文理解及推理判断能力.根据"This change might be due to the fact that the brain hormone melatonin (褪黑激素) is produced later at night for teens than it is for kids and adults, which makes it harder for teens to fall asleep early.这种变化可能是由于大脑激素褪黑...
and 10 till 6. I did this for 20 years and I was tired of being tired all the time. Even with long weekend breaks i would go back to work tired. It is true that shift workers do not live as long as regular day workers, as it upsets the natural rhythm of their body clock. Our...
He goes to bed before midnight and wakes up naturally. 他每天半夜十二点前睡觉,然后睡到自然醒。 sleep in睡懒觉/赖床 I was too tired to get up and go to school,so I just slept in. 我太累了起不来去上学,所以就直...
As you rise earlier, your bedtime will move up too as you grow tired earlier, says Martin. Since most adults need at least seven hours of sleep a night, Martin advises people to aim for at least seven and a half hours of time in bed. ...
but但是,表转折;根据students usually need eight to ten hours' sleep at night,结合下文Some Chinese parents are usually glad to see their children studying late.可知多数学生睡眠不足,故选D。 【2】句意:他们会认为他们的孩子工作很努力。 考查副词辨析。A. 快地;B. 努力地;C. 好地;D. 几乎不,表...
(A)10. After walking for two hours, I was really ___and wanted to sleep. A. tired B. busy C. relaxing D. dirty 相关知识点: 试题来源: 解析 答案见上本题考查形容词的词义理解。四个选项的含义分别是: tired疲惫的;busy忙碌的;relaxing令人放松的;dirty脏的。 根据题干中的“步行了两个小...
For example, the head of sleep research at the Walter Reed Army Institute of Research posits that the brain simply gets tired. He backs up his theory with data that shows the brain experiences a dramatic drop-off in performance after it's been awake for more than 24 hours. The brain runs...