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Author Spotlight: Unveiling the Connection Between Sleep Disorders and Cognitive Symptoms in Depression
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Individual differences in perceived sleep quality do not predict negative affect reactivity or regulation.

Jinxiao Zhang1, Maia Ten Brink1, Sylvia D Kreibig1

  • 1Department of Psychology, Stanford University, United States.

Biological Psychology
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Poor sleep quality in adults does not predict negative affect reactivity or regulation. This study found no significant relationship between perceived sleep quality and emotional responses to unpleasant stimuli.

Keywords:
Affect reactivityAffect regulationBayesian analysisNegative affectSleep

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Area of Science:

  • Psychology
  • Neuroscience
  • Sleep Science

Background:

  • Public interest suggests a link between poor sleep and negative affect.
  • Previous research yields mixed findings on the sleep-affect relationship.
  • Differing measures and failure to distinguish affect reactivity/regulation may explain inconsistencies.

Purpose of the Study:

  • To investigate the relationship between perceived sleep quality and negative affect reactivity.
  • To examine the relationship between perceived sleep quality and negative affect regulation.
  • To clarify the sleep-affect link by differentiating reactivity and regulation.

Main Methods:

  • Two studies assessed adults' perceived sleep quality over two weeks.
  • Negative affect reactivity and regulation were tested using unpleasant pictures and thermal stimulation.
  • Both self-report and physiological measures were employed.

Main Results:

  • No significant relationships were found between perceived sleep quality and negative affect reactivity.
  • No significant relationships were found between perceived sleep quality and negative affect regulation.
  • Bayesian analysis strongly supported the null hypothesis, indicating no evidence for a link.

Conclusions:

  • Individual differences in perceived sleep quality do not predict negative affect reactivity or regulation in adults.
  • The findings challenge the common assumption of a direct link between sleep quality and emotional responses.
  • Future research may explore other factors influencing the sleep-affect relationship.