文章作者 100test 发表时间 2011:07:03 22:56:33
来源 100Test.Com百考试题网
#ff0000>热点头条:#0000ff>2011年6月英语四六级试题答案专题
The popular notion that older people need less sleep than younger adults is a myth, scientists said yesterday.
While elderly people 47.tend to sleep for fewer hours than they did when they were younger, this has a 48.negative effect on their brain’s performance and they would benefit from getting more, according to research.
Sean Drummond, a psychiatrist at the University of California, San Diego, said that older people are more likely to suffer from broken sleep, while younger people are better at sleeping 49.efficiently straight through the night.
More sleep in old age, however, is 50.associated with better health, and most older people would feel better and more 51.alert if they slept for longer periods, he said.