Hypersomnia

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Excessive sleepiness. countable, uncountable
  2. 2
    an inability to stay awake wordnet

Example

More examples

"I suffer from idiopathic hypersomnia."

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.