Research brief · Monthly
Better health, minus the hype.
NO.18
Useful evidence on sleep, recovery, and everyday prevention—translated into decisions you can actually make.
In this issue7 min read
The recovery metric your watch can’t explain alone.
Sleep regularity84 / 100
Resting trend−4 bpm
Choose your interests
One evidence-led email a month. Unsubscribe whenever it stops being useful.