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Sleepiness may predict hypnotizability, while personality traits do not
Juliette Gelebart1, Sophie Schlatter2, Maxime Billot3
1Universite Claude Bernard Lyon 1, Villeurbanne, France.
The American Journal of Clinical Hypnosis
|September 20, 2024
Summary
Daytime sleepiness correlates with hypnotizability, suggesting it can predict receptiveness to hypnotic suggestions. Personality traits did not influence this relationship, though women showed higher hypnotizability.
Area of Science:
- Psychology
- Neuroscience
- Sleep Medicine
Background:
- Hypnotizability, or receptiveness to hypnotic suggestions, has been controversially linked to sleepiness and personality traits.
- Previous research presents conflicting findings regarding these associations, necessitating further investigation.
Purpose of the Study:
- To investigate the relationship between general daytime sleepiness, personality traits, and hypnotizability.
- To explore potential gender differences in hypnotizability.
Main Methods:
- Seventy-eight healthy young volunteers completed the Epworth Sleepiness Scale for sleepiness assessment.
- Personality traits were assessed using the 10-item Big Five Inventory.
- Hypnotizability was evaluated using the Harvard Group Scale of Hypnotic Susceptibility Form A (HGSHS:A).
Main Results:
- A significant correlation was found between higher levels of daytime sleepiness and increased hypnotizability.
- Personality traits, as measured by the Big Five Inventory, did not show a significant influence on hypnotizability.
- Women demonstrated higher levels of hypnotizability compared to men.
Conclusions:
- Daytime sleepiness may serve as a predictive indicator for hypnotic suggestion receptiveness.
- Assessing sleepiness could offer practical insights for optimizing the efficacy of hypnosis interventions.
- Gender differences in hypnotizability warrant further exploration in clinical and research settings.
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