bihemispheric slow-wave sleep

American  

[bahy-hem-i-sfeer-ik sloh-weyv sleep] / ˈbaɪˌhɛm ɪˈsfɪər ɪk ˈsloʊˈweɪv ˈslip /

noun

Physiology.

1. a mode of sleep behavior, common for most animal species, including humans, in which both cerebral hemispheres are simultaneously and deeply asleep. BSWS

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Etymology

Origin of bihemispheric slow-wave sleep

First recorded in 1995–2000; bi- ¹ ( def. ) + hemispheric ( def. )