"sleepy" in the adjective sense
1. sleepy, sleepy-eyed, sleepyheaded
ready to fall asleep
"beginning to feel sleepy"
"a sleepy-eyed child with drooping eyelids"
"sleepyheaded students"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License