I am no sleepyhead, and being kept awake a little doesn't hurt me.
"He's such a sleepyhead he doesn't know his own name," said the Lefthandiron.
When he had finished the others all laughed and called him a sleepyhead.
The reason I'm putting you on the first watch is because you're such a sleepyhead.
Now Dorothea was a “sleepyhead” and had seldom been known to get up when first awakened.