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正常睡眠分为两个时相,即非快速眼球运动睡眠(NREM)和眼速动睡眠(REM),每90min 左右两时相相互转换为一周期,正常成人整个夜间约4～6周期。心脏直视手术后病人睡眠失常往往持续6天左右,与术前对比仅0～4周期。用脑电图监测这类病人,术后2天几乎不出现REM,而NREM 的后两期(即delta 期)也明显缩短,这可能和精神紧张有关。作者观察37例冠脉搭桥术病人,统计分析24例资料(男17人,女7人)平均年龄60.89±6.97岁。70%的人文化水平较高,27%丧偶或离婚,67%
Normal sleep is divided into two phases, that is, NREM and REM. The transition from one phase to the next occurs at about 90 minutes, and the normal adult is about 4 to 6 cycles at night. Patients with direct vision surgery after sleep disorders often last about 6 days, compared with preoperative 0 to 4 cycles. EEG monitoring of these patients, almost no REM 2 days after surgery, and the latter two periods of NREM (ie, delta) was also significantly shortened, which may be related to mental stress. The authors observed 37 cases of coronary artery bypass grafting patients, a statistical analysis of 24 cases (17 males and 7 females) with an average age of 60.89 ± 6.97 years. 70% of people have higher education levels, 27% are widowed or divorced, 67%