Social stress induces high intensity sleep in rats.

@article{Meerlo1997SocialSI,
  title={Social stress induces high intensity sleep in rats.},
  author={Peter Meerlo and B J Pragt and Serge Daan},
  journal={Neuroscience letters},
  year={1997},
  volume={225 1},
  pages={41-4}
}
We studied the effect of social stress on sleep electroencephalogram (EEG) in rats. Animals were subjected to a single social defeat by introducing them in the cage of an aggressive male conspecific for 1 h. The animals responded to the social conflict by a sharp increase in EEG slow-wave activity (SWA) during non-rapid eye movement sleep (NREM) afterwards. Since SWA has been identified as an indicator of sleep intensity, the results suggest that acute stressors may accelerate the build up of… CONTINUE READING

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