On the Misuse of 90–Minute Sleep Cycles
The math is appealing — four cycles for six hours, five for seven and a half. The underlying science is messier, and the calculator apps have made things worse.
This Week
What Zone 2 Is Actually For
Slow, conversational cardio became the internet’s favorite prescription. Here’s what coaches who came up before the algorithm say it’s doing for you.
Recent
The Anabolic Window Was Always a Door
For two decades, lifters were told to chug protein within thirty minutes of finishing a workout. The newer research suggests the window is much wider than that.
The Quiet Discipline of Doing Less
On burnout, the cult of the daily routine, and the surprisingly hard work of subtraction. A reported essay from inside a year of trying.
The Case for Boring Walks
Not a hike, not a step-count exercise, not a phone call — just a walk. Why the dullest movement in your week might be the most useful.
Why You Stopped Trusting Breakfast
A short cultural history of the most argued-about meal of the day, and what the dietary literature does — and does not — say about skipping it.
Reading Yourself to Sleep Is Underrated
Sleep hygiene checklists keep telling you to read before bed. They rarely tell you what to read, or how long, or why a thriller might not be the move.
A Defense of the Long, Slow Long Run
The long run has been quietly squeezed by interval work, marathon-pace blocks, and Strava norms. It earns its place anyway.