Do all animals sleep?

@article{Siegel2008DoAA,
  title={Do all animals sleep?},
  author={J. Siegel},
  journal={Trends in Neurosciences},
  year={2008},
  volume={31},
  pages={208-213}
}
  • J. Siegel
  • Published 2008
  • Biology, Medicine
  • Trends in Neurosciences
  • Some animals never exhibit a state that meets the behavioral definition of sleep. Others suspend or greatly reduce 'sleep' behavior for many weeks during the postpartum period or during seasonal migrations without any consequent 'sleep debt.' Rats die from one form of sleep deprivation, but sleep loss has not been shown to cause death in well-controlled studies in other vertebrate species. Some marine mammal species do not show evidence for REM sleep, and convincing evidence for this state in… CONTINUE READING

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