Synonyms of sleepiness

2 Syllables
torpor
3 Syllables
faineance, torpidness, fatigue, faineancy, shiftlessness, slothfulness, laziness, dreaminess, sluggardness, drowsiness, tiredness, languidness, lethargy
4 Syllables
do-nothingness, supineness, torpescence, neglectfulness, torpidity, otiosity, lassitude, inanition, somnolence
5 Syllables
dilatoriness, leisureliness