Core body temperature significantly affects human sleep quality and architecture.

the verdict

SUPPORTED

the evidence backs this

Recorded sources

3 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Core body temperature plays an integral role in regulating human sleep architecture and overall sleep quality, as demonstrated by studies tracking nocturnal thermal dynamics and interventions using thermal regulation.

The analysis

The retrieved literature (such as papers 2, 3, and 6) explicitly investigates the connection between core body temperature parameters or thermal interventions and sleep architecture/quality. The evidence consistently supports the premise that body temperature affects human sleep.

Evidence for · 3

Increased training load promotes sleep propensity and slow‐wave sleep in endurance runners: Can a high‐heat‐capacity mattress topper modulate this effect?

Recorded source metadata

M. Chauvineau, F. Pasquier, F. Duforez, G. Guilhem, Mathieu Nédélec. Increased training load promotes sleep propensity and slow‐wave sleep in endurance runners: Can a high‐heat‐capacity mattress topper modulate this effect?. 2023. https://doi.org/10.1111/jsr.14132

The study monitored nocturnal core body temperature and evaluated sleep architecture to understand thermal influences on sleep propensity and slow-wave sleep.

Source citation format

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More for · 2

Dietary palmitic acid to oleic acid ratio modulates energy metabolism and biological rhythms in young healthy Japanese males

Recorded source metadata

Katsuhiko Yajima, Shuto Chiba, Insung Park, H. Ogata, Momoko Kayaba, Asuka Ishihara, Yoshiaki Tanaka, Simeng Zhang, Seol Jaehoon, Masanori Katakura, K. Tokuyama. Dietary palmitic acid to oleic acid ratio modulates energy metabolism and biological rhythms in young healthy Japanese males. 2023. https://doi.org/10.1017/S0007114523001770

The findings demonstrate that dietary alterations shifting core body temperature dynamics concurrently disrupt sleep architecture.

Source citation format

Polysomnographic Evidence of Enhanced Sleep Quality with Adaptive Thermal Regulation

Recorded source metadata

Kim J, Heo S, Hong J, Moon S, Lee D, Yang D. Polysomnographic Evidence of Enhanced Sleep Quality with Adaptive Thermal Regulation. 2025. https://doi.org/10.20944/preprints202507.2352.v1

The research indicates that real-time temperature adjustment (thermal regulation) significantly improves sleep architecture parameters such as total sleep time, sleep efficiency, and REM latency.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8201 Aug 2026

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