sleepyhead

• POS: Noun
• HYPHEN: sleep=y=head

CIDE DICTIONARY

sleepyhead, n. 

•  A sleepy person.  [1913 Webster]

  "To bed, to bed, says Sleepyhead."  [1913 Webster]
•  The ruddy duck.  [1913 Webster]

OXFORD DICTIONARY

sleepyhead, n. (esp. as a form of address) a sleepy or inattentive person.

THESAURUS

sleepyhead

dawdle, dawdler, drone, foot-dragger, goldbrick, goof-off, laggard, lie-abed, lingerer, loiterer, plodder, procrastinator, sleeper, sleeping beauty, sleepwalker, slow goer, slow-foot, slowbelly, slowpoke, slug, slugabed, sluggard, snail, somnambulist, somniloquist, stick-in-the-mud, tortoise