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Sleep and affect: A conceptual review.

Maia Ten Brink1, Jessica R Dietch2, Joshua Tutek3

  • 1Department of Psychology, Stanford University, Stanford, CA, USA.

Sleep Medicine Reviews
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Summary
This summary is machine-generated.

The bidirectional relationship between sleep and affect is complex. This review proposes a framework to better understand sleep-affect links, finding mixed evidence and no clear support for granular bidirectionality.

Keywords:
AffectConceptual reviewFrameworkGranularityMethodsSleepTimescales

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Area of Science:

  • Psychology
  • Neuroscience
  • Sleep Science

Background:

  • Everyday experience suggests a strong link between sleep and affect.
  • Empirical evidence for a bidirectional relationship in adults is mixed, possibly due to measurement and definition inconsistencies.

Purpose of the Study:

  • To propose a granular framework for deconstructing sleep and affect research.
  • To systematically review empirical studies using this framework to clarify the sleep-affect relationship.

Main Methods:

  • A conceptual review proposing a three-dimensional framework: domains, methods, and timescale.
  • Systematic literature review of 80 PubMed-indexed studies.

Main Results:

  • The framework identified robust associations for sleep disturbances and duration with affect, separable by domain, method, and timescale.
  • Evidence for other sleep-affect links was inconclusive or sparse, with no clear patterns.
  • The review did not find support for granular bidirectionality between sleep and affect.

Conclusions:

  • A granular dimensional framework can clarify inconsistencies in sleep-affect research.
  • Future research should utilize this framework to investigate specific dimensions of sleep and affect.
  • Current evidence does not support a consistently granular bidirectional relationship between sleep and affect in non-clinical adults.