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Sleep in an Amazonian manatee,Trichechus inunguis

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Abstract

For the first time, sleep was studied in a representative of the order of Sirenia. Slow wave sleep occupied 27%, and paradoxical sleep 1% of the total recording time in the Amazonian manatee,Trichechus inunguis. The circadian rhythmicity of sleep was pronounced. During the sleep period, the manatee woke up for a short time for each respiratory act. Interhemispheric asynchrony of the electrocortical slow wave activity was found.

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Authors and Affiliations

  1. Severtsov Institute of Evolutionary Morphology and Ecology of Animals, USSR Academy of Sciences, Leninsky prospekt 33, 117071, Moscow, (USSR)

    L. M. Mukhametov, O. I. Lyamin, I. S. Chetyrbok & A. A. Vassilyev

  2. Instituto de Investigaciones de la Amazonia Peruana, Iquitos, (Peru)

    R. P. Diaz

Authors
  1. L. M. Mukhametov
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  2. O. I. Lyamin
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  3. I. S. Chetyrbok
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  4. A. A. Vassilyev
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  5. R. P. Diaz
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Mukhametov, L.M., Lyamin, O.I., Chetyrbok, I.S. et al. Sleep in an Amazonian manatee,Trichechus inunguis . Experientia 48, 417–419 (1992). https://doi.org/10.1007/BF01923447

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  • DOI: https://doi.org/10.1007/BF01923447

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