insomniac
in·som·niac
noun
1.
adjective
1.
experiencing or accompanied by sleeplessness
- “insomniac old people”
- “insomniac nights”
- “lay sleepless all night”
- “twenty watchful, weary, tedious nights” Shakespeare
Origin
From insomnia + -ac.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.