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The Relationship Between Big Five Personality Traits and Sleep Patterns: A Systematic Review
João Guerreiro1, Laura Schulze1, Albert Garcia I Tormo1
1R&D, Koa Health, Barcelona, Spain.
Nature and Science of Sleep
|September 9, 2024
Summary
Personality traits significantly influence sleep patterns. This systematic review confirms a link between the Big Five personality traits and various sleep aspects, including quality and timing, highlighting the need for personalized sleep interventions.
Area of Science:
- Psychology
- Sleep Science
- Behavioral Science
Background:
- Individual sleep experiences vary, potentially due to personality.
- Understanding personality's role in sleep can lead to tailored interventions.
- Previous research suggests a connection between personality and sleep behaviors.
Purpose of the Study:
- To systematically review and summarize the literature on the relationship between personality traits and sleep patterns.
- To synthesize findings from studies across diverse global populations.
- To identify specific personality traits associated with different sleep characteristics.
Main Methods:
- Systematic literature search of PsycINFO, Cochrane, and PubMed (1980-2024).
- Inclusion of 18 studies comprising 58,812 subjects from 11 countries.
- Descriptive synthesis of study findings on personality traits and sleep patterns.
Main Results:
- All analyzed studies found associations between at least one Big Five personality trait and a sleep pattern.
- Neuroticism was consistently linked to poorer sleep quality (effect sizes 0.183-0.40).
- Conscientiousness was associated with morningness (effect sizes 0.16-0.35), with other links to sleep duration, nightmares, and insomnia.
Conclusions:
- A robust relationship exists between personality traits and sleep patterns.
- Personality characteristics are crucial factors in understanding and modifying sleep behavior.
- Future interventions should consider individual personality profiles for enhanced sleep promotion.
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