Personality Traits and the Subjective and Objective Experience of Sleep

Background There is growing evidence that five-factor model personality traits are associated with self-reported sleep. We test whether these associations extend to objective sleep measures in older adulthood and whether measures of objective sleep mediate the relation between personality and subjec...

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Bibliographic Details
Published in:International journal of behavioral medicine 2020-08, Vol.27 (4), p.481-485
Main Authors: Sutin, Angelina R., Gamaldo, Alyssa A., Stephan, Yannick, Strickhouser, Jason E., Terracciano, Antonio
Format: Article
Language:English
Subjects:
Aged
Aging
Body Mass Index
Brief Report
Extraversion, Psychological
Family Medicine
Female
General Practice
Health Psychology
Humans
Male
Medicine
Medicine & Public Health
Neurosis
Neuroticism
Personality
Personality - physiology
Personality Inventory
Personality traits
Self Report
Sleep
Sleep - physiology
Sleep and wakefulness
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Summary:Background There is growing evidence that five-factor model personality traits are associated with self-reported sleep. We test whether these associations extend to objective sleep measures in older adulthood and whether measures of objective sleep mediate the relation between personality and subjective sleep. Methods A random subsample of participants in the National Social Life and Aging Project (NSHAP) wore an accelerometer for up to three nights and had information on FFM personality traits ( N = 620). Participants also reported on their feelings of being rested. Results Higher neuroticism and lower extraversion and conscientiousness were associated with more frequent wake after sleep onset, greater fragmentation, and feeling less rested. Concurrent body mass index, disease burden, perceived stress, and depressive symptoms accounted for these associations. Personality was unrelated to total time spent asleep but conscientiousness was associated with earlier and more consistent bedtimes. None of the objective sleep metrics mediated the relation between personality and subjective sleep. Conclusions The present research indicates that the associations typically found for personality and subjective sleep extend to objective sleep fragmentation. These objective measures, however, do not account for the relation between personality and feeling rested.
ISSN:1070-5503
1532-7558
DOI:10.1007/s12529-019-09828-w