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Related Experiment Videos

[Thermal regulation during sleep].

J-P Libert1

  • 1Unité de Recherches: Environnement Toxique Périnatal: Adaptations Physiologiques et Comportementales (EA 2088), Université de Picardie Jules Verne, Faculté de Médecine d'Amiens, 3, rue des Lourets, 80036 Amiens Cedex 1.

Revue Neurologique
|December 4, 2003
PubMed
Summary
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Ambient temperatures disrupt sleep, but human thermoregulation persists during sleep. Neonatal active sleep shows intact thermoregulation, suggesting it may precede adult REM and slow wave sleep.

Area of Science:

  • Physiology
  • Sleep Science
  • Neuroscience

Context:

  • Ambient temperatures outside the thermoneutral zone disrupt sleep.
  • Thermoregulation and rapid eye movement (REM) sleep appear mutually exclusive in animals.
  • Human thermoregulatory responses persist during sleep, unlike in animals.

Purpose:

  • To investigate the differences in thermoregulation between sleep phases in humans and animals.
  • To explore the hierarchical control of body temperature regulation.
  • To examine thermoregulation during neonatal sleep stages.

Summary:

  • Thermoregulatory control involves hierarchical neural integration, with diencephalic structures regulating body temperature during slow wave sleep (SWS).
  • During REM sleep, hypothalamic thermoregulatory influences are suspended, a difference attributed to neural organization across species and sleep phases.

Related Experiment Videos

  • Neonatal active sleep (AS) and quiet sleep (QS), considered precursors to REM and SWS, exhibit intact thermoregulation, with AS being particularly well-protected.

    • Impact:

    • Findings suggest distinct neural mechanisms govern thermoregulation during different sleep stages.
    • The persistence of thermoregulation in human SWS indicates a less critical disruption compared to animals.
    • Neonatal active sleep's robust thermoregulation implies a potential evolutionary precursor role for adult sleep states.