nonrapid eye movement sleep

Noun
  1. A recurring sleep state during which rapid eye movements do not occur and dreaming does not occur;
    Accounts for about 75% of normal sleep time (synset 114048949)
    is a type of: sleep, slumber - a natural and periodic state of rest during which consciousness of the world is suspended
    same as: nonrapid eye movement, nrem, nrem sleep, orthodox sleep

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