Genetic and environmental factors determine a healthy individual's required amount of sleep

the verdict

SUPPORTED

the evidence backs this

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3 sources for · 0 against

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Genetic and environmental factors determine a healthy individual's required amount of sleep.

The analysis

Multiple genetic and genomic studies, including twin analyses and polygenic risk score investigations, demonstrate that both heritable genetic predispositions and environmental factors significantly influence human sleep traits, architecture, and duration.

Evidence for · 3

Heritability of Sleep EEG Topography in Adolescence: Results from a Longitudinal Twin Study

Recorded source metadata

Andjela Markovic, Peter Achermann, Thomas Rusterholz, Leila Tarokh. Heritability of Sleep EEG Topography in Adolescence: Results from a Longitudinal Twin Study. 2018. https://doi.org/10.1038/s41598-018-25590-7

This longitudinal twin study demonstrates that both genetic and environmental factors significantly account for the variance in sleep EEG topography.

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More for · 2

Heritability of sleep architecture based on home polysomnography.

Recorded source metadata

Leocadio-Miguel M, Taporoski TP, Beijamini F, Ruiz FS, Horimoto ARVR, Pereira AC, Knutson KL, von Schantz M. Heritability of sleep architecture based on home polysomnography.. 2025. https://doi.org/10.1111/jsr.14448

Polysomnography measures in a large cohort show significant narrow-sense heritability for total sleep time and specific sleep architecture stages.

Source citation format

Genetic risk scores, perceived neighborhood disorder, and sleep duration

Recorded source metadata

Qiliang He, Jennifer Zhang, Elizabeth Parkinson, Terrence D Hill. Genetic risk scores, perceived neighborhood disorder, and sleep duration. 2026. https://doi.org/10.1093/sleep/zsag004

Combining genomic data with actigraphy confirms that genetic risk scores and environmental factors such as neighborhood disorder independently affect sleep duration.

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The paper trail · every fact has a biography

first checked01 Aug 2026

judged → SUPPORTED · 8401 Aug 2026

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