Unihemispheric slow wave sleep and the state of the eyes in a white whale

@article{Lyamin2002UnihemisphericSW,
  title={Unihemispheric slow wave sleep and the state of the eyes in a white whale},
  author={O. Lyamin and L. Mukhametov and J. Siegel and E. A. Nazarenko and O. Shpak},
  journal={Behavioural Brain Research},
  year={2002},
  volume={129},
  pages={125-129}
}
We recorded electroencephalogram (EEG) and simultaneously documented the state of both eyelids during sleep and wakefulness in a sub-adult male white whale over a 4-day-period. We showed that the white whale was the fifth species of Cetaceans, which exhibits unihemispheric slow wave sleep. We found that the eye contralateral to the sleeping hemisphere in this whale was usually closed (right eye, 52% of the total sleep time in the contralateral hemisphere; left eye, 40%) or in an intermediate… Expand
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