idiopathic hypersomnia
Word Rarity
Very rare
Frequency: Zipf frequency 1.62 in modern English
39
Scrabble Score
21
Letters
6
Syllables
14
Unique Chars
Meaning
noun
A neurological disorder characterized primarily by excessive need for sleep, even during the day, without obvious external cause such as a physical brain injury.
Countable; Uncountable