Sleep in an Amazonian manatee, Trichechus inunguis.
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.
Mukhametov
L M
LM
Severtsov Institute of Evolutionary Morphology, USSR Academy of Sciences, Moscow.
Lyamin
O I
OI
Chetyrbok
I S
IS
Vassilyev
A A
AA
Diaz
R P
RP
D000818:Animals; D001143:Arousal; D001921:Brain / Q000502:physiology*; D002940:Circadian Rhythm; D005618:Fresh Water; D008322:Mammals / Q000502:physiology*; D009043:Motor Activity; D010568:Peru; D012119:Respiration; D012890:Sleep / Q000502:physiology*; D014851:Wakefulness / Q000502:physiology