睡眠【すいみん】
sleep
眠り【ねむり】
sleep, sleeping, inactivity, death
不眠【ふみん】
sleeplessness, insomnia, wakefulness
居眠り【いねむり】
nodding off (while sitting), dozing
眠気【ねむけ】
sleepiness, drowsiness
眠い【ねむい】
sleepy, drowsy, somnolent
不眠症【ふみんしょう】
sleeplessness, insomnia, wakefulness
冬眠【とうみん】
hibernation, winter sleep, torpor
眠る【ねむる】
to sleep, to die, to rest (in peace), to lie (buried), to sleep (in the grave), to lie idle (e.g. of resources), to lie unused, to lie untapped, to lie untouched, to close one's eyes
安眠【あんみん】
sound sleep, good sleep, quiet sleep
催眠【さいみん】
hypnosis