0 a person, especially a child, who is tired and looks as if they want to sleep: --
[ as form of address ] Come on, sleepyhead, let's get you to bed.
1 a person, esp. a child, who is tired and looks ready to sleep: --
There were many wonderful things there, but as you're all yawning, and we couldn't make sleepyheads understand, for that you'll have to wait till another night.
When he had finished the others all laughed and called him a sleepyhead.
We ran right in through a fleet of your sleepyheads.
If only they had not been such cowards and sleepyheads!
