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Author Spotlight: Quantifying Pain Experience – An Illustrative Approach Using the Pain Body Diagram
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Sleep extension reduces pain sensitivity.

Guido Simonelli1, Janna Mantua1, Mary Gad1

  • 1Behavioral Biology Branch, Center for Military Psychiatry and Neuroscience, Walter Reed Army Institute of Research, MD, USA.

Sleep Medicine
|December 24, 2018
PubMed
Summary
This summary is machine-generated.

Extending sleep for healthy individuals can increase pain tolerance beyond baseline levels. This effect is more pronounced in those who habitually get less sleep than they feel they need, suggesting sleep credit is key.

Keywords:
Long sleepPainPain thresholdPain toleranceSleepSleep extension

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Area of Science:

  • Neuroscience
  • Sleep Science
  • Pain Research

Background:

  • Insufficient sleep heightens pain sensitivity in healthy individuals.
  • Sleep extension restores pain sensitivity in sleep-deprived individuals.
  • The effect of sleep extension on pain in well-rested individuals is unknown.

Purpose of the Study:

  • To investigate the impact of sleep extension on pain sensitivity in healthy individuals with normal sleep patterns.
  • To determine if sleep extension can enhance pain tolerance and threshold beyond baseline levels.
  • To explore the association between sleep credit and changes in pain sensitivity.

Main Methods:

  • 27 healthy, pain-free adults (mean age ~24 years) underwent five nights of sleep extension.
  • Pain sensitivity was assessed using the Cold Pressor Task, measuring pain threshold and tolerance.
  • Self-reported sleep credit was measured in relation to subjective sleep needs.

Main Results:

  • Participants slept an average of nearly two extra hours per night.
  • Sleep extension significantly increased pain tolerance but did not affect pain threshold.
  • Individuals with lower sleep credit showed greater increases in pain tolerance.

Conclusions:

  • Sleep extension may enhance pain tolerance, but not pain threshold, in healthy individuals sleeping adequate amounts.
  • Sleep credit appears to be a significant indicator of sleep debt concerning pain sensitivity.
  • Findings suggest a potential benefit of optimizing sleep duration for pain management.