Centre for Sleep Research, University of South Australia, Adelaide SA, Australia.
Appl Ergon. 2011 Jan;42(2):196-201. doi: 10.1016/j.apergo.2010.06.014. Epub 2010 Jul 24.
A number of studies have described mood change during sleep loss in the laboratory, however, an understanding of fluctuations in structural aspects of mood under such conditions is lacking. Sixty-two healthy young adults completed one of three possible conditions: one (n = 20) or two (n = 23) nights of sleep loss or the control condition which consisted of one (n = 9) or two (n = 10) nights of 9 h time in bed. The Mood Scale II was completed every two waking hours and data were analysed in terms of the frequency and intensity of mood reports. Overall, sleep loss conditions were associated with significantly less frequent happiness and activation and more frequent fatigue reports (p < 0.001). Intensity was also significantly reduced for activation and happiness, and increased for depression, anger and fatigue (p < 0.05). Interestingly, there were no significant differences in anger following two nights in the laboratory with or without sleep. Further, two nights in the lab with normal sleep was associated with significant increases in depression intensity (p < 0.05). Findings support the hypothesis of a mood regulatory function of sleep and highlight the relative independence of frequency and intensity and of positive and negative mood dimensions. Findings also suggest that the laboratory environment, in the absence of sleep loss, may have a significant negative impact on mood.
一些研究已经描述了在实验室睡眠缺失期间的情绪变化，然而，对于在这种情况下情绪结构方面的波动还缺乏了解。62 名健康的年轻人完成了以下三种条件之一：一（n = 20）或两（n = 23）个晚上的睡眠缺失，或控制条件，包括一（n = 9）或两（n = 10）个晚上的 9 小时卧床时间。情绪量表 II 每两个清醒小时完成一次，数据根据情绪报告的频率和强度进行分析。总的来说，睡眠缺失条件与幸福感和兴奋感的频率显著降低，疲劳感的频率显著增加（p < 0.001）。兴奋感和幸福感的强度也显著降低，而抑郁、愤怒和疲劳感的强度则显著增加（p < 0.05）。有趣的是，在实验室中经历两个晚上的睡眠缺失或不缺失睡眠后，愤怒感没有显著差异。此外，在实验室中正常睡眠两个晚上与抑郁感强度的显著增加有关（p < 0.05）。这些发现支持睡眠具有情绪调节功能的假说，并强调了频率和强度以及正性和负性情绪维度的相对独立性。这些发现还表明，在没有睡眠缺失的情况下，实验室环境可能会对情绪产生重大负面影响。
