i Register
In some senses, sleepy is marked as figuratively, informal. Watch for register when choosing this word.
VERBS
be, feel, look, sound | become, get, grow
make sb
The warm milk before bedtime always makes the children sleepy.
ADV
extremely, really, very
a bit, a little, quite, rather
I felt rather sleepy after the long drive, so I decided to stop at a hotel.
VERBS
be, seem
remain
Even after three cups of coffee, I remained sleepy throughout the entire meeting.
PHRASES
sleepy little
We stayed at a sleepy little town in the mountains where nothing much ever happened.