Work Schedule, Sleep Duration, Insomnia, and Risk of Fatal Prostate Cancer

Among 305,057 employed men, short sleep duration was associated with a 64% higher risk of prostate cancer mortality in the first 8 years of follow-up.

• Work schedule and insomnia frequency were not linked to fatal prostate cancer risk.
• Short sleep duration of 3-5 hours per night was connected with a higher risk of prostate cancer compared to 7 hours per night.
• The relative risk for those sleeping 3-5 hours was 1.64, while for 6 hours it was 1.28 during the initial follow-up period.
• No association was found between sleep duration and fatal prostate cancer in later follow-up years.
• The findings suggest that short sleep duration may influence the later stages of prostate cancer development.

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