ISSN 2398-2977      

Behavior: sleep deprivation

pequis

Synonym(s): Recumbent sleep deprivation, REM sleep, excessive drowsiness


Introduction

  • Cause: horses require a period of recumbent sleep to complete a full sleep cycle during a 24 hour period. If this recumbency does not occur over a period of a few days, then sleep deprivation with excessive drowsiness will occur.
  • Signs: drowsiness with hanging of the head and buckling at the knees.
  • Diagnosis: observation of behavior and rule out other possible problems.
  • Treatment: management of problems resulting in horse not being able/wanting to lay down.
  • Prognosis: good if cause is identified and resolved.

Physiology

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Clinical signs

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Causes

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Treatment / prevention

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Fouche N & Coomer R (2010) Investigation of management of a collapsing horse. UK Vet 15 (2), 5-10.
  • Bertone J (2006) Excessive drowsiness secondary to recumbent sleep deprivation in two horses. Vet Clin Equine 22, 157-162 PubMed.
  • Dallaire A (1986) Rest behavior. Vet Clin North Am Equine Pract (3), 591-607 PubMed.

Other sources of information

  • Bertone J (2006) Sleep Deprivation Not Narcolepsy in Horses. In: Proceedings 24th Annual Forum of the American College of Veterinary Internal Medicine.

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