Abstract and Keywords
Sleep is commonly believed to be integral to emotion and emotion regulation. The scientific study of the sleep–emotion relationship is critical to our understanding of the functions of sleep, including the consequences of insufficient or otherwise disrupted sleep to health and quality of life. In this chapter we review four relevant research areas: observational studies of sleep across the life span; experimental studies of sleep deprivation; circadian rhythm disturbances and disorders; and social rhythm disruptions. Taken as a whole, these studies are consistent with the hypothesis that sleep and emotion are tightly coupled. However, closer examination of the extant literature reveals that the sleep–emotion relationship has not been systematically examined; the majority of these studies are based on cross-sectional, self-reported data. We conclude the chapter with a discussion of the current state of science regarding the sleep–emotion relationship and suggestions for future directions of research, including both basic and applied studies.
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