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I love a straightforward math equation. 🧮⁠ ⁠ Lately, one that keeps showing up is 7 + 1.⁠ ⁠ 😴 Seven hours of sleep, plus one hour of consistency. ⁠ ⁠ Same bedtime. Same wake time. Most days of the week.⁠ ⁠ The research making the rounds calls this the “7+1 sleep rule,” and while the label is new, the idea isn’t. ⁠ ⁠ Regular sleep timing shows up again & again as a meaningful factor for long-term health 👉 cardiovascular risk, metabolic function, overall mortality. ⁠ ⁠ Rhythm matters.⁠ ⁠ 🎧 We’ve heard this repeatedly from sleep experts on The Ready State Podcast, including @drwendytroxel & @kirkparsley. ⁠ ⁠ Circadian biology runs the show. ⁠ ⁠ Hormones, metabolism, immune function, mood… all of it responds to timing. When sleep happens on a predictable schedule, the body prepares for it and uses it better.⁠ ⁠ What I like about the 7+1 framing is that it keeps things practical. It rewards predictability. You’re building trust with your nervous system instead of chasing perfection on a sleep tracker.⁠ ⁠ So the question I keep asking people is simple: Does your math add up? 🤨⁠ ⁠ Comment AMBUSH if you want me to share the research I’m coming across that I think deserves your attention, too.