Hypersomnia
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Excessive sleepiness. countable, uncountable
- 2 an inability to stay awake wordnet
Antonyms
All antonymsExample
More examples"I suffer from idiopathic hypersomnia."
Related phrases
More for "hypersomnia"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.