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Pronunciation varies by accent · 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)..
Use hypernychthemeral when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hypernychthemeral means 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)..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use hypernychthemeral where its definition matches the intended context.
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