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Relationship between sleep variables and interoceptive awareness in daytime workers.
Shoichi Asaoka1,2, Ryuichiro Yamamoto1,2, Kenta Nozoe1,2
1Sleep Research Institute, Edogawa University, Nagareyama, Japan.
Plos One
|March 12, 2025
Summary
Interoceptive awareness, the sense of internal body states, is linked to subjective sleepiness and nightmares in daytime workers. This connection may offer insights into sleep disorders.
Area of Science:
- Neuroscience
- Sleep Medicine
- Psychology
Background:
- Interoception, sensing internal bodily states, is crucial for homeostasis.
- Previous research links interoceptive awareness to sleep quality and nightmares.
- The relationship between excessive daytime sleepiness and interoception remains unexplored.
Purpose of the Study:
- To investigate the association between interoceptive awareness and various sleep parameters.
- Specifically examining the link between interoceptive awareness and subjective excessive daytime sleepiness in workers.
Main Methods:
- A web-based questionnaire survey was administered to daytime workers in Japan.
- Data from 461 participants were analyzed using multiple regression.
- Interoceptive awareness was assessed using the Multidimensional Assessment of Interoceptive Awareness (MAIA).
Main Results:
- Weak but significant correlations were found between interoceptive awareness components and subjective daytime sleepiness, insomnia symptoms, nightmare distress, and dream frequency.
- No significant relationships were observed between interoceptive awareness and workday sleep loss or social jetlag.
- This study is the first to explore the link between subjective daytime sleepiness and interoceptive awareness.
Conclusions:
- Subjective sleepiness, nightmare distress, and sleep quality are associated with interoceptive awareness.
- Understanding this relationship may improve the assessment of sleep disorders and individual sleepiness perception.
- Further research is warranted to elucidate the nuances of interoception in sleep regulation.
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