The effects of recovery sleep on pain perception: A systematic review.
Level 1 - systematic review of randomized trials
Systematic review of experimental human and animal studies.
PubMed 32275917 · doi:10.1016/j.neubiorev.2020.03.028
What was done
A systematic review was conducted across three databases (PubMed, Web of Science, and PsycINFO) using a predefined algorithm to evaluate the effects of recovery sleep following sleep deprivation on pain perception. Empirical experimental animal and human studies involving sleep deprivation paradigms, recovery sleep periods, and pain assessments were included, yielding a total of 29 studies.
What was found
The abstract reports no numeric values, effect sizes, or test statistics. Most studies reported that recovery sleep reset the enhanced pain sensitivity and vulnerability caused by sleep deprivation. This normalizing effect was observed especially after total sleep deprivation and when assessing pressure pain or painful symptoms in human studies.
Why it matters
The findings synthesize experimental evidence demonstrating that pain system hyperalgesia induced by acute sleep loss is biologically reversible with restorative sleep, highlighting the relevance of sleep interventions for pain regulation.
Limits
The abstract provides no quantitative meta-analytic pooling, individual sample sizes, or effect estimates. The synthesis includes both animal and human studies with varying sleep deprivation and pain assessment protocols, limiting direct clinical translation to chronic pain populations.
Cited by
- supports Under sleep deprivation, individuals experience heightened sensitivity to pain.