Strong H5123 נוּם nûm · to slumber

Isaiah

1. Isaiah 5:27
   None shall be weary nor stumble among them; none shall slumber nor sleep; neither shall the girdle of their loins be loosed, nor the latchet of their shoes be broken:
2. Isaiah 56:10
   His watchmen are blind: they are all ignorant, they are all dumb dogs, they cannot bark; sleeping, lying down, loving to slumber.