See also: somnolencia Catalan Etymology Borrowed from Latin somnolentia, from somnolentus (“sleepy”). Pronunciation IPA(key): (Central) [sum.nuˈlɛn.si.ə] IPA(key): (Balearic) [som.noˈlɛn.si.ə] IPA(key): (Valencia) [som.noˈlɛn.si.a] Noun somnolència f (uncountable) sleepiness, drowsiness (medicine) somnolence Related terms somnolent son Further reading “somnolència” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans. Wikiwand - on Seamless Wikipedia browsing. On steroids.