Tired; feeling the need for sleep. / Suggesting tiredness. / Tending to induce sleep. / (figuratively) Dull; lazy. / (figuratively) Quiet; without bustle or activity.

(informal) The gum that builds up in the eye; sleep, gound.

The property of being sleepy.

plural of sleepiness

(informal) Sleep (mucus in the eyes). / (informal) Sleepiness, tiredness.

An acute inflammation of the brain which causes drowsiness and mental disease.

Oxyeleotris lineolata, a medium-sized freshwater fish native to tropical regions of northern Australia.

Alternative form of sleepyhead

(informal) Rheum crusted around the eyes from sleep.

Alternative spelling of sleepy dust