Studies // Cited work

Overnight therapy? The role of sleep in emotional brain processing

Walker, M. P., & van der Helm, E. (2009). Overnight therapy? The role of sleep in emotional brain processing.

Level D Review doi:10.1037/a0016570

What this study supports

Supports the claim that a model has been proposed in which sleep, including REM sleep, modulates next-day emotional reactivity and reprocesses recent emotional memories. A hypothesis-generating review; the model is contested and not established.

Who was studied
Not applicable: a review proposing a model of sleep-dependent emotional brain processing.
Design
Review
Level of evidence
Cross-sectional, observational, qualitative work and narrative reviews.

Claims that rest on it

Each claim states what the site asserts, at what strength, and with what caveat.

TheoreticalLevel DConfidence LOW

A model proposes that sleep, including REM sleep, modulates next-day emotional reactivity and reprocesses recent emotional memories; it remains a hypothesis under test.

Scope
Proposed neural and psychological account of sleep and emotion.
Caveat
Later meta-analytic evidence that sleep loss blunts arousal responses complicates simple accounts of heightened reactivity; neural findings are associations with measured activity.

Last reviewed · Review due · overnight-emotional-processing-hypothesis