from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The characteristic of being most active and alert during the evening; being a night owl.
There was an unmistakable dressed-up eveningness about them both.
Sleep researchers at Stanford University found that people with one genotype had an increased preference for eveningness, while the other genotype had an increased preference for morningness.
(verified by sleep logs and wrist actigraphy for at least one week before study entry); absence of extreme morningness or extreme eveningness, as assessed by questionnaire
Read on site A self-assessment questionnaire to determine morningness-eveningness in human circadian rhythms ".