08/18/2026
Most people chase eight hours of sleep per night. But a study following more than 60,000 adults found something more useful: sleep *regularity* was a stronger predictor of all-cause mortality than sleep duration.
That means the same bedtime, night after night, may matter more than hitting a magic number.
Your body runs on rhythm. When sleep and wake times shift constantly, your internal clock never gets a clear signal, even if you're technically getting enough sleep.
Keeping your wake time within roughly the same 60-minute window most days is one of the simplest ways to give your circadian system something steady to work with.
Anchoring Your Circadian Rhythms is habit #4 in our newest blog, The Habits I’d Focus on If I Wanted Better Health in 90 Days: https://www.ccfmed.com/blog/the-habits-id-focus-on-if-i-wanted-better-health-in-90-days