"orthodox sleep"^^ . "NREM sleep"@en-us . . . . . "NREM"@en-us . "114025478"^^ . "14025478-n"^^ . "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"@en-us . . . . . "0"^^ . . . "113225887"@en-us . . "orthodox sleep"@en-us . . . . "nonrapid eye movement"@en-us . "0"^^ . "nonrapid eye movement sleep"@en-us .