dead sleep

noun 0.641

sleep

noun 0.634

deep sleep

noun 0.631

big sleep

noun 0.616

sleeping

noun 0.612

slumber

noun 0.590

morning sleep

noun 0.578

slumbering

noun 0.571

sleepy

noun 0.565

sleep mode

noun 0.550

sleeping dragon

noun 0.549

sleeping beauty

noun 0.538

sleep debt

noun 0.537

naptime

noun 0.519

righteousness

noun 0.519

lack of sleep

noun 0.510

justice

noun 0.509

snooze

noun 0.508

sleepyhead

noun 0.506

sopor

noun 0.505

sleeping draught

noun 0.505

dozing

noun 0.503

sleeplessness

noun 0.503