Raizz Sleep Science
Sleep Science Blog
Clear insights to help you understand, improve, and rethink your sleep.
Sleep Better
NewSleep Trackers vs. Active Sleep Improvement: Why Tracking Isn't Enough
48% of adults now use a sleep tracker. Most still feel tired. Here's the gap between watching your sleep data and actually changing it.
Sleep Better
Sleep Hygiene Is More Than a Checklist. Here's How to Make It Work as a System.
The habits aren't the problem. Not understanding why they work is. Here's how sleep hygiene maps to the biology behind it.
Lifestyle
Sleep Better. Live Fully.
Sleep isn't the end goal. What it gives you is the clarity, energy, and patience to live this one life according to what actually matters to you.
Sleep Science
You Wake Up at 3 AM for a Reason. Here It Is.
It's not random. Waking at 3 AM is driven by specific biology. Here's why it happens and what you can actually do about it.
Sleep Science
Why Waking at a Fixed Time Feels Awful: What Sleep Cycles Have to Do with It
You're getting the hours but mornings still feel terrible. The issue isn't effort. It's where you are in your sleep cycle when the alarm goes off.
Sleep Science
Why You Can't Fall Asleep: A Systems View of Sleep Onset
Struggling to fall asleep isn't about willpower. It's about system state. Learn why your nervous system stays activated at bedtime and how to work with it.
Sleep Science
Sleep Is a System: How to Actually Improve It, Not Just Track It
Tracking sleep scores won't fix your sleep. Learn how sleep works as a system, the three levers that move the needle, and what adaptive technology can do.
Research
From Tracking to Training: The Emergence of Adaptive Sleep Systems
Measurement alone does not translate into meaningful improvement. Discover how adaptive systems are changing that.
Sleep Science
Beyond Sleep Scores: Understanding Sleep as a Biological System
Sleep is not a uniform state. Each stage contributes to cognitive recovery, metabolic balance, and restoration.
Guide
Sleep Health Metrics Guide: Deep Sleep, REM, WASO and More
Wearable tracking has changed consumer awareness of sleep, but the key metrics remain widely misunderstood.
Founder Story
Holly's Story: From Apple Health Sensors to Founding AxiLab
After 12 years building health sensors at Apple, she left to create AI-powered sleep recovery technology inspired by her own journey.
