יָשֵׁן yâshên (H3462)

properly, to be slack or languid, i.e. (by implication) sleep (figuratively, to die); also to grow old, stale or inveterate

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

a primitive root;