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抑郁症病人失眠有什么特点?

来源:华人健康网 | 发布时间:2010-08-22 11:26:57 | www.chinesejk.com
抑郁症病人往往存在睡眠障碍,多表现为早醒性失眠,睡眠较浅而且不稳定,易于惊醒,醒后仍觉疲乏,疲劳感以早晨为重。抑郁发作期间的睡眠总量、第四期慢波睡眠量以及眼快动睡眠量都减少,各期睡眠间转换较频繁。

有人对1例46岁的男性抑郁症病人的睡眠进行观察,发现睡眠总量和第四期慢波睡眠量都减少,眼快动睡眠量占总睡眠量的20.5%,眼快动睡眠的潜伏期缩短,各期睡眠之间的转换频繁。当3次电休克治疗后,其眼快动睡眠量比例上升为睡眠总量的35.9%。说明抑郁发作时眼快动睡眠被剥夺,治疗后眼快动睡眠的补偿性反跳现象。该病人随着抑郁病情的好转,睡眠总量和第四期慢波睡眠都增加了,眼快动睡眠的潜伏期延长,各期睡眠之间的转换次数减少。专家们通过研究得出结论:抑郁症病人睡眠障碍的特征是:起初出现眼快动睡眠剥夺状态,然后发生补偿反跳现象。

(编辑:蔡旭旭 )

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