How Much Sleep Do We Really Need? | National Sleep FoundationFoundation, National Sleep
先行词为 less sleep time(更少的睡眠时间),指物,空格后为从句的谓语动词 decreases(减少),推断空格为从句的主语,故填 which。 (4)此处考查搭配 have difficulty in doing sth.(做某事有困难),故介词 in 后填动名词 falling,构成搭配 fall asleep(入睡),表示“大约三分之一的美国人在入睡方面有困难”。 (...
How Much Sleep Do You Need? Hentede 20. May 2014 fra Helpguide: http://www.helpguide.org/life/sleeping.htmCPAP: Treated Sleep Apnea. 2014 National Sleep Foundation. National sleep foundation. Sleep in America Poll 2014: Sleep in the modern family. http://sleepfoundation.org/sleep-polls-...
How much sleep do we need? People are all different. Some people need only three or four hours of sleep a night. Others need ten hours of sleep a night. Most Americans sleep seven to eight hours a night.Some people find it is hard to fall asleep. About one in three Americans have ...
So far, we’ve spoken about all of the wonderful benefits that sleep provides, but how much sleep should we actually be getting? For the average adult, the current recommendation is somewhere between seven to nine ...
After the age of 50, the average sleep time goes down to 6.5 hours a day. We need less sleep as we get older. About one in three Americans has a problem with sleep. Many of these people cannot fall asleep. The name for this problem is insomnia . Some people say, “I didn’t ...
How much sleep does a person need? We are all different. Some people need only three hours of sleep a day 1 others need ten hours or more. The 2 (suggest)amount of sleep is 8 hours for people aged 18 to 21 and 7 hours for people over 21. As people get old, they need less sle...
You know you need to get enough sleep, but the question remains: How much is enough? Sleep scientist Matt Walker tells us the recommended amount for adults and explains why it's necessary for your long-term health. science health sleep human bodyAbout...
of sleep one night. (2) people need ten hours of sleep a night.Most people sleep seven (3) eight hours a night. If we have a good sleep every night, we may not have (4) . But many people find it’s (5) to fall asleep(入睡)....
—Brain quiz: Test your knowledge of the most complex organ in the body —What do you know about psychology's most infamous experiments? —Human evolution quiz: What do you know about Homo sapiens? Sign up for the Live Science daily newsletter now Get the world’s most fascinating ...