insomnia
in-som-ni-a
noun
The habitual inability to fall or stay asleep, causing tiredness and distress.
"He suffered from chronic insomnia for months."
Thesaurus
Antonyms: hypersomnia
in-som-ni-a
The habitual inability to fall or stay asleep, causing tiredness and distress.
"He suffered from chronic insomnia for months."
Antonyms: hypersomnia