Hormonal
Sleeping less than 6 hours per day significantly increases the risk of developing chronic diseases, specifically stroke and cancer, compared to sleeping 7-8 hours.
Aim for 7-8 hours of sleep per night to minimize the risk of stroke and cancer. If you sleep less than 6 hours, your risk for these conditions increases significantly. For those with hypertension, daytime napping may increase risk, whereas for non-hypertensive individuals, it might be protective. Prioritize consistent, adequate night sleep over compensatory napping if you are hypertensive.
Compared to persons sleeping 7-,8 h/day, participants with sleep duration of ,6 h had a significantly increased risk of stroke (Hazard Ratio (HR) = 2.06, 95% confidence interval (CI): 1.18–3.59), cancer (HR = 1.43, 95% CI: 1.09–1.87), and overall chronic diseases (HR = 1.31, 95% CI: 1.10–1.55) in multivariable adjusted models.
Why this rating
Large prospective cohort (n=23,620) with long follow-up (7.8 years) and multivariable adjustment, though exposure is self-reported.
Source
Association of Sleep Duration with Chronic Diseases in the European Prospective Investigation into Cancer and Nutrition (EPIC)-Potsdam Study
Anne von Ruesten et al. · PLoS ONE · 2012
DOI 10.1371/journal.pone.0030972
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