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Challenging sleep homeostasis.

Marcos G Frank1

  • 1Washington State University Spokane, Elson S. Floyd College of Medicine, Pharmaceutical and Biomedical Science Building 213, 412 E. Spokane Falls Blvd, Spokane, WA, 99202, USA.

Neurobiology of Sleep and Circadian Rhythms
|February 19, 2021
PubMed
Summary
This summary is machine-generated.

This commentary challenges fundamental assumptions about sleep, questioning its ubiquity, vital functions, and role in brain plasticity. It provocatively suggests that established scientific beliefs about sleep may be incorrect.

Keywords:
HomeostasisProcess SSleepSlow-wave activity

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Area of Science:

  • Neuroscience
  • Sleep Science
  • Physiology

Background:

  • Established scientific consensus posits sleep as a ubiquitous biological necessity.
  • Key functions attributed to sleep include vital physiological roles and essential brain plasticity.
  • The concept of a sleep homeostat regulating sleep need based on prior wakefulness is widely accepted.

Purpose of the Study:

  • To critically examine and challenge long-standing, fundamental assumptions in sleep science.
  • To adopt a contrarian perspective to provoke new thinking about sleep's known functions and regulation.
  • To question the 'known' aspects of sleep, including its universality and essentiality.

Main Methods:

  • Philosophical and critical commentary.
  • Reexamination of established scientific paradigms in sleep research.
  • Devil's advocate approach to question foundational theories.

Main Results:

  • Identifies several widely accepted ideas about sleep as potentially flawed or incorrect.
  • Questions the ubiquitous nature of sleep across the animal kingdom.
  • Challenges the presumed vital functions and essential role in brain plasticity.

Conclusions:

  • Scientists should critically evaluate established knowledge and explore the "foaming edge" of understanding.
  • The fundamental tenets of sleep science, including its necessity and functions, warrant re-examination.
  • The prevailing model of sleep regulation, such as the homeostat, may require revision.