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
English: orthodox sleep, nonrapid eye movement sleep, NREM sleep, nonrapid eye movement, NREM
NREM, NREM sleep, nonrapid eye movement, nonrapid eye movement sleep, orthodox sleep
English: orthodox sleep, nonrapid eye movement sleep, NREM sleep, nonrapid eye movement, NREM