Defn: Walking in one's sleep.

SLEEPY
Sleep"y, a. [Compar. Sleepier; superl. Sleepiest.] Etym: [AS. sl. 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.

SLEEPYHEAD
Sleep"y*head`, n.

1. A sleepy person. To bed, to bed, says Sleepyhead. Mother Goose.

2. (Zoöl.)

Defn: The ruddy duck.