The Longevity Vault
Kat Fu, M.S., M.S., Chris Gouveia, MDThe Longevity Vault by Kat Fu — the platform that guides you to build your personalized roadmap, based on your risk factors & data, so you can age slower, think better & extend your prime. Its flagship, Sleep OS, helps you reduce 3 a.m wakeups.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 149 | Subscribers | Read | thelongevityvault.substack.com |
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Latest Issues
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Waking at 4 a.m—Is 7 hours good enough?
Dr. Bronce Rice, a psychologist and psychoanalyst in our community, asked me recently:
Why ‘Sleep Hygiene’ Doesn’t Fix 3 a.m. Wake-Ups
➤ Someone recently asked me this question, and it captures a pattern I see constantly:
“My friend the same age sleeps fine—why am I the one awake at 3 AM?”
You’ve fixed your sleep hygiene, diet, even tried meditation—yet 3 AM wake-ups continue. Here’s why standard advice fails after 50, and what your hormones still need. Listen now
“My problem isn’t falling asleep. It’s staying asleep.”
Yesterday, someone I’m working with asked a question that comes up all the time:
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Authors
The writers behind this newsletter.
20 yrs in health optimization, 15 in sleep | I help you solve sleep issues that go deeper than hygiene & supplements | Founder, Sleep OS—personalized sleep recovery for 3 AM wakeups | Subscribe for my free 40-part circadian protocol
Director of Sleep Surgery for Kaiser Permanente Northern California. UCSF and Stanford trained, board-certified ENT surgeon specializing in sleep medicine. I am passionate about sleep as vital to health.
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