Is 8 Hours of Sleep Really the Golden Rule? Maybe… Maybe Not
For decades, we’ve been told to aim for 7–8 hours of sleep a night - the so-called “golden rule.” But new science suggests that consistency - when you go to bed and wake up - may matter just as much, or even more, for your long-term health.
In this article, I explore:
Why sleep regularity may predict longevity better than total hours
What large cohort studies reveal about circadian rhythm and disease risk
How regular sleep supports both physical and mental health
What practical habits help stabilise your internal body clock
If you can’t always get eight hours, there’s still hope - regularity itself offers powerful protection.
Read the full article on my substack.