关于做梦的英文文章（科普类型的不要叙事）

关于做梦的英文文章（科普类型的不要叙事）
rt 东大传说 1年前他留下的回答 已收到1个回答

hyling602 网友

该名网友总共回答了25个问题，此问答他的回答如下：采纳率：92%

Dreams are successions of images,ideas,emotions,and sensations that occur involuntarily in the mind during certain stages of sleep.The content and purpose of dreams are not definitively understood,though they have been a topic of scientific speculation,as well as a subject of philosophical and religious interest,throughout recorded history.The scientific study of dreams is called oneirology.Dreams mainly occur in the rapid-eye movement (REM) stage of sleep—when brain activity is high and resembles that of being awake.REM sleep is revealed by continuous movements of the eyes during sleep.At times,dreams may occur during other stages of sleep.However,these dreams tend to be much less vivid or memorable.Dreams can last for a few seconds,or as long as twenty minutes.People are more likely to remember the dream if they are awakened during the REM phase.The average person has about 3 to 5 dreams per night,but some may have up to 7 dreams in one night.The dreams tend to last longer as the night progresses.During a full 8-hour night sleep,two hours of it is spent dreaming.

1年前他留下的回答

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