The amount of sleep【C1】___ depends on the age of the person and the conditions in which sleep takes place. The young may need more sleep than the old, but【C2】___ eight hours are enough for the health of grown - ups. Some can do with less than this amount, but【C3】___ ...
Loss of slow-wave sleep as you age may increase your risk of developing dementia, according to a new study.新研究发现，随着年龄增长，慢波睡眠时间的减少可能会增加患痴呆症的风险。"We found that aging was associated with a decline in the amount of the deepest stages of sleep, known as slow ...
The amount of sleep needed depends on the age of the person and the conditions in which sleep takes place. The young may need more sleep than the old, but usually eight hours are enough for the health of grown-ups. Some can do with less than this amount, but others may need more. ...
完形填空 Enough sleep is important to health. The amount of sleep 1 depends on the age of the person and the conditions in which sleep 2 . The young may need more sleep than the old but 3 eight hours are enou
SEVEN hours of sleep — no more and no less — may be the optimal amount of rest for most adults, new research shows. The new study, published in Nature Aging, shows that among people ages 38 to 73, getting seven hours of sleep each night provides the most benefit for cognitive and ...
The amount of sleep needed depends on the age of the person and the conditions in which sleep takes place. The young may need more sleep than the old, but usually eight hours are enough for the health of grownups. Some can do with less than this amount, but others may need more....
The term “sleep debt” refers to the difference between the amount of sleep someone needs and the amount of sleep they actually get; someone whose body requires 8 hours of sleep per night, for instance, but only gets 6, would accumulate a 14-hour sleep debt over the course of a week....
The amount of sleep needed depends on the age of the person and the conditions in which sleep 1 . The young may need more sleep than the old, but 2 eight hours are enough for the 3 of grownups.Some can 4 with less than this amount (量) but 5 may need more. Every person knows ...
The study had some limitations – it only assessed how long the participants slept in total and not any other measure of sleep quality such as waking during the night. What’s more, participants reported their amount of sleep so it was not objectively measured. However, the authors said the ...
Sleep-producing drug should never be taken except when 70 (suggest) by a doctor. 2阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。Enough sleep is important to health. The amount of sleep 1 (need) dependson the age of the person and the conditions in _2_ sleep takes place...