yāšēn יָשֵׁן ‘to sleep’ (Hebrew)

Etymology^?: a primitive root

yāšēn v
1) to sleep, be asleep
 1a) (Qal) to sleep, go to sleep, be asleep
 1b) (Niphal)
  1b1) to remain a long time, be stored up
  1b2) to be festering (of leprosy)
 1c) (Piel) to cause to sleep, entice to sleep