Letters that make sleepy
s, e, l, p, y are letters that make 'sleepy'
1 possible definitions for 'sleepy'
Under this definition, sleepy is an adjective and has the following properties:
sleepy-eyed, sleepyheaded have the same meaning as 'sleepy'
sleep, slumber, sleepiness, drowsiness, somnolence are derivatives of 'sleepy'.
asleep(p) is similar to sleepy.
"beginning to feel sleepy", "a sleepy-eyed child with drooping eyelids", "sleepyheaded students"