The Longevity Letter

Your sleep score is not your sleep

Hillary Lin, MD·
Your sleep score is not your sleep

Wearables can help spot patterns, but they are estimates — not judges. If your score and your actual function do not match, start with the human: caffeine timin…

This issue was originally published in The Longevity Letter.

Subscribe to get the full archive and new issues every Friday.

Subscribe to The Longevity Letter

Next step

Get the physician’s note, not the wellness-script version.

The Longevity Letter turns the same clinical filter into a weekly read: what is worth measuring, what is worth changing, and what is just noise.