Sleep″y (?), a. [Compar.Sleepier (?); superl.Sleepiest.] [AS. sl�pig. See Sleep, n.] 1. Drowsy; inclined to, or overcome by, sleep. Shak.
She waked her sleepy crew. Dryden.
2. Tending to induce sleep; soporiferous; somniferous; as, a sleepy drink or potion. Chaucer.
3. Dull; lazy; heavy; sluggish. Shak.
'Tis not sleepy business;
But must be looked to speedily and strongly. Shak.
4. Characterized by an absence of watchfulness; as, sleepy security.
Sleepy duck(Zoöl.), the ruddy duck.