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Related Experiment Videos

Nocturnal sweating and temperature in depression.

D H Avery1, S H Shah, D N Eder

  • 1Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Harborview Medical Center, Seattle, USA.

Acta Psychiatrica Scandinavica
|October 8, 1999
PubMed
Summary

Depressed patients have higher nocturnal temperatures but similar sweating rates compared to controls. Sweating decreased with depression recovery, suggesting impaired sweating isn't the cause of high temperatures in depression.

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Area of Science:

  • Sleep Medicine
  • Psychiatry
  • Physiology

Background:

  • Patients with depression often exhibit altered thermoregulation.
  • High nocturnal core temperatures and sweating complaints are common in depression.

Purpose of the Study:

  • Compare nocturnal sweating in depressed patients versus controls.
  • Investigate the impact of REM sleep on sweat rates.
  • Examine thermoregulation changes during depression recovery.

Main Methods:

  • Measured nocturnal sweat rate, core temperature, and REM sleep in 8 depressed patients and 9 controls.
  • Assessed 7 depressed patients during their recovery phase.

Main Results:

  • Depressed patients had significantly higher nocturnal temperatures than controls, which normalized during recovery.

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  • Nocturnal sweat rates did not differ between depressed patients and controls but decreased with recovery.
  • A trend showed decreased sweat rates during REM sleep across all participants.

    • Conclusions:

    • Impaired nocturnal sweating is unlikely to cause the elevated nocturnal temperatures observed in depression.
    • Thermoregulation, including sweating, improves with depression recovery.