Sleep Regularity is a Stronger Predictor of Mortality than Sleep Duration
Summary
In a large cohort, lower sleep regularity predicted higher all‑cause mortality independent of sleep duration.
Why It Matters For Night Shift Workers and Night Owls
Longitudinal tracking how timing of light, sleep, meals, and schedules tracked with sleep & alertness and mortality for night‑shift workers and night owls. Overall, the data make the schedule itself visible in physiology, not just in how people feel subjectively. For the audience living on night schedules, the key meaning is that the schedule’s timing choices show up in measurable outcomes.
Notes
Sleep (Oxford) commentary and article.