For longevity-driven adults who sleep but still don’t feel rested

Get Ahead of Aging, by Fixing Your Sleep First.

Get my free 5-Part Sleep Clarity Masterclass & figure out what’s causing your poor sleep——even if you’re stuck at 5–6 hour nights or waking at 3am—despite perfect sleep hygiene.

Solve My Sleep

Join 20,000+ health-conscious adults taking charge of their sleep & aging
For when behavioral changes, supplements & wearables aren’t enough

Get ahead of aging with The Longevity Vault: Build your longevity lifestyle through tactical longevity roadmaps, helping you fight cognitive decline, identify longevity risks, outsmart hidden toxins, unlock your longevity potential and performance longevity

Get ahead of aging with Longevity Vault: Build your longevity lifestyle through tactical longevity roadmaps, designed to fight cognitive decline, enhance cognitive performance, identify longevity risks, outsmart hidden toxins, improve performance longevity and your longevity potential

poor sleep is now linked to with faster epigenetic aging

Is Your Sleep Accelerating Aging—or Protecting You From It?

Two individuals can follow the same health rules and age very differently. One wakes rested and stays mentally sharp. The other drifts through the day on low power despite similar habits.

The difference is whether their sleep architecture is protecting the brain and body—or slowly amplifying wear and tear.

The Longevity Vault helps you move from the first pattern to the second by treating sleep as a core aging system, not an afterthought.

Turn My Sleep Into an Advantage

How we help you get ahead of aging …

Better Sleep to Feel Stronger, Look Younger & Perform Better

01.

Accelerated Aging Risks, Personalized Fixes

Accelerated aging is essentially a mismatch problem: your cells & tissues are experiencing more wear than repair. That mismatch comes from small, repeated choices around exposure profiles, stress patterns, and nutritional decisions that increase wear.

Over years, it shifts systems onto a steeper decline curve.

Kidney stone formation is an example of accelerated aging in the kidney system—years of micro-injury that cross a threshold. We help you identify that kind of pattern before it reaches that point.

The Kidney Stone Prevention & Risk Reduction System is built as a personalized tool for slowing kidney-specific aging.

See Kidney Stone Prevention System

02.

Cognitive & Performance Longevity

Sleep is the foundation of cognitive aging, yet most people misunderstand why it deteriorates with age.

The issue is infrequently bad sleep hygiene alone—it’s physiology adapting to midlife hormone transitions.

Sleep OS: Hormones helps you recognize your pattern within this transition. It connects your nightly symptoms to the biological processes influencing them. With that clarity, you follow a targeted & personalized framework to improve sleep continuity (without relying on costly hormone panels, medications or more supplements).

The result is deeper, more continuous sleep that protects cognitive function into later decades.

Explore Sleep OS: Hormones

03.

Personalized Longevity Roadmap

A universal longevity blueprint cannot account for your baseline, constraints (& preferences). What helps is a clear, personalized sequence of actions that fits how you live now, what you want to address, and where you want to be in 20-30 years.

We translate complex longevity science into structured tools that help you prioritize by your health data—your sleep, your energy profile, your labs.

Every Vault program & tool is designed to adapt to you: decision paths, audits, and assessments help you choose the right starting point, focus on the highest-yield levers first, and update your plan as your data changes.

The result is a personalized roadmap that concentrates your effort on what will move the needle for you—while preserving scientific rigor.

All Vault Longevity Programs & Tools

Why the longevity vault?

Guided by Kat Fu

Kat Fu is a longevity educator with two master’s degrees and ~20 years of optimizing her own health. Inside The Longevity Vault, she acts as a mentor and translator—turning dense research and complex lab data into clear, practical frameworks you can actually use.

Want to see the longevity programs & tools she has built? Explore Vault Longevity Systems & Tools

01.

20 Years of Experience

~20 years of personal health optimization & sleep recovery—now structured for independent implementation.

02.

Mechanism-First Approach

Understand why your sleep fragmented before choosing interventions. Root cause identification, not symptom management.

03.

Self-Directed, Personalized Implementation

Structured longevity programs & tools designed for independent execution.

No coaching, prescriptions or ongoing membership required—just frameworks and decision trees.

Real People. Real Results.

get ahead of aging

Precision Sleep Recovery. Beyond Sleep Hygiene.

Increased energy levels as a result of proper dietary changes, increased vegetable and protein intake, and a proper sleep routine. Productivity also increased as a result …

— Sam W., IBS Recovery Journey

Within 1-2 days Kat provided a summary of my sleep issues, likely causes and practical suggestions on ways to fix them. Weeks later, I’m still maintaining these changes. I can’t recommend Kat enough.

— Eric K., Health Entrepreneur

longevity vault fight cognitive decline with key nutrients

longevity vault overcome mental fatigue increase focus

Longevity tactics That Fit Your Life

Building Personalized Longevity Roadmaps Based on Your Risk Factors & Your Data

We offer more than theory.

We go beyond universal advice.

At Longevity Vault, we provide the actionable tools and community to help you overcome longevity plateaus, sustain performance, and extend your prime years.

about longevity vault

Hours of Expertise Shared

Dedicated Fans

Years Of Experience

Can’t Sleep More Than 5-6 Hours A night?

Subscribe for evidence-based insights on how I went from sleeping 5-6 hour a night to consistent 8-9 hours/night—why sleep hygiene alone wasn’t enough.

fix my sleep

Are 3–5 a.m. wake-ups disrupting the REM sleep that protects your brain after 50?
by Kat Fu, M.S., M.S. on January 12, 2026 at 1:53 pm
Each % of REM you lose: how it relates to dementia risk in older adults (+ what to do about it)
Vitamin C, calcium, iron & D3: they can never hurt… right?
by Kat Fu, M.S., M.S. on January 6, 2026 at 2:21 pm
+ 3 categories of supplements I avoid 100% of the time.
Slower aging, better sleep, actionable labs: Your 2026 Longevity Launchpad
by Kat Fu, M.S., M.S. on December 29, 2025 at 7:22 pm
Start here: 6 high-impact pieces to guide your 2026 sleep, cardiometabolic health and labs for longevity optimization
The first question I ask every client about their sleep
by Kat Fu, M.S., M.S. on December 29, 2025 at 1:03 pm
It’s not hours, deep sleep minutes, REM %, or your sleep score
Is sleeping < 7 hours really worse for biological aging?
by Kat Fu, M.S., M.S. on December 27, 2025 at 1:34 pm
<5-hour sleepers had ~6% shorter telomeres than those sleeping >7 hours.
Does Short Sleep Impair Blood Sugar Control (Even with a Healthy Diet?)
by Kat Fu, M.S., M.S. on December 25, 2025 at 11:56 pm
We review the 2023-2025 data (& 10 simple ways to get an extra 20-40 minutes of sleep tonight)

Still curious about what actually slows aging?

Join the Longevity Vault Today to get Ahead of Aging—faster

9-days. 0 noise. 0 fluff.

Start making the progress you can see & feel, in < 10 minutes a day.

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Longevity Isn’t Just About Kale

Our free 9-day email series goes beyond diet & workouts. Go beyond generic wellness. Start applying longevity fixes.

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