Machiavellianism, narcissism and psychopathy - menacingly called 'the Dark Triad' - were all linked with the preference for late bedtimes in research published in the journal Personality and Individual Differences (Jonason et al., 2013).
Dr. Peter K. Jonason, explained:
"Those who scored highly on the Dark Triad traits are, like many other predators such as lions and scorpions, creatures of the night.The conclusions come from an online survey of 263 students which, along with their sleeping preferences, measured:
For people pursuing a fast life strategy like that embodied by the Dark Triad traits, it's better to occupy and exploit a lowlight environment where others are sleeping and have diminished cognitive functioning."
- Psychopathy: Characterised by reduced empathy, antisocial behaviour and disinhibition. Psychopaths are often very good at influencing others.
- Narcissism: Egomaniacs.
- Machiavellianism: Tendency to manipulate and exploit others without regard to morality.