insomnia
English Thesaurus
1. an inability to sleep; chronic sleeplessness (noun.state)
| hypernym | : | sleep disorder, |
| definition | : | a disturbance of the normal sleep pattern (noun.state) |
| antonym | : | hypersomnia, |
| definition | : | an inability to stay awake (noun.state) |
| antonym | : | hypersomnia, |
| definition | : | an inability to stay awake (noun.state) |
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