deep sleep; sound sleep; profound sleep
sleepiness; drowsiness; the sandman; Morpheus
(one's) sleeping hours; hours of sleep
sleeping pill; sleep medication
wink of sleep; snooze; doze; nap
lack of sleep; sleep deprivation
sleeping like a log; (being) fast asleep (bombed, crashed)
coma; deep sleep; falling fast asleep
sleepy; drowsy; somnolent
to be extremely sleepy; to be at the brink of falling asleep
water lily (any plant of genus Nymphaea); pygmy waterlily (Nymphaea tetragona)
to sleep; to die; to rest (in peace); to lie idle (e.g. of resources); to lie unused; (arch.) to close one's eyes
hypnopaedia; hypnopedia; sleep-learning
sleep; sleeping; inactivity; death
nodding off (while sitting); dozing
sleep apnea syndrome; SAS
sleep debt; sleep deficit
half awake and half asleep
half asleep and half awake
having sex with a sleeping person
sleepwalking; somnambulism
sleeping sickness; sleeping disease
nap; short sleep; first sleep of silkworms
sleeping; feeling sleepy; beddy-bye
sleeping while snoring; snoring sleep
deep slumber (as if under a spell)
short sleeper; person who does not need much sleep
sleep; sleeping; inactivity; death
sleeping; feeling sleepy; beddy-bye
disdain; contempt; scorn; abhorrence
whitetip reef shark (Triaenodon obesus)
inactive bank account (no withdrawals or deposits made, and to which the owner's rights have been terminated)
to put to sleep; to kill; to leave unused
African sleeping sickness; African trypanosomiasis
circadian rhythm sleep disorder; CRSD
circadian rhythm sleep-wake disorder; CRSWD
circadian rhythm sleep-wake disorder; CRSWD