/ Dictionary / Index S sleepyhead: Meaning and Definition of Find definitions for: sleep•y•head Pronunciation: (slē'pē-hed"), [key] — n. a sleepy person. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sleepyhead (Thesaurus) sleepy Sleepy Hollow chair Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language