hypernychthemeral

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Adjective

Of or relating to a [[neurological]] [[sleep]] [[disorder]] characterized by one- to two-hour daily delays in [[sleep]] [[onset]] and [[wake]] times, i.e. a circadian rhythm greater than a [[nychthemeron]] (24 hours).

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.