sleepyhead

noun

1. (informal)A sleepy person.

   “Hey now sleepyhead, it's time for you to go to bed.”

   “Goodbye, old sleepyhead / I'm packing you in like I said / Take care of everything / I'm leaving my wedding ring”

   “It consists in asking each sleepyhead in turn which 10 characters, historical or fictional, he would choose to be stranded with on a desert island.”

   “The following morning, Liz had to come and shake David awake. “Hey, sleepyhead, rise and shine. I've been tapping your door for the past ten minutes. Aren't you going to college today?””

   ““Why, yes,” said Augustus, “the birds seem to be the first ones up each morning, awakening the sleepyheads.””

2. The ruddy duck.