You should be asleep before midnight A 2021 study on over 100k...
Siim Land@siimland
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Apr 09, 2025
1
You should be asleep before midnight
A 2021 study on over 100k people found that sleep onset between 10-11 PM was linked to the lowest incidence of cardiovascular disease
Sleep onset after midnight was linked to higher risk compared to 10-11 PM, highlighting the importance of circadian rhythm alignment
They did find that sleep onset before 10 PM was linked to greater risk than 11-12 PM, but that might be because of underlying comorbidities or frailty
A 2021 study on over 100k people found that sleep onset between 10-11 PM was linked to the lowest incidence of cardiovascular disease
Sleep onset after midnight was linked to higher risk compared to 10-11 PM, highlighting the importance of circadian rhythm alignment
They did find that sleep onset before 10 PM was linked to greater risk than 11-12 PM, but that might be because of underlying comorbidities or frailty
2
Adjusted for age, sex, sleep duration, sleep irregularity, and established CVD risk factors
academic.oup.com/ehjdh/article/…
academic.oup.com/ehjdh/article/…