← Back to search

Hypnos

AI-powered sleep coach learns and optimizes your sleep

Y CombinatorWinter 2019InactiveConsumerSleep TechConsumerAI

What they do

Problem

People struggle to understand how their daily habits and mood affect sleep quality and how to improve it.

Solution

An AI-powered digital sleep journal that combines user-reported mood and activities with sleep tracker data to generate personalized insights and coaching.

Who it's for

Individuals who track their sleep and want personalized guidance to improve sleep and related habits.

Founders

Andrew Fleischer
Founder

Chemist, researcher, data scientist Produced educational courses on hydrogen fuels and technology for high school teachers Developed new membrane technology for fuel cells Developed indoor, fully reusable solar technology for indoor light recycling.

James Sinka
Founder

10+ years accelerating R&D and deep tech startups. Co-founded a unicorn biotech incubator. Our projects innovated across quantum biology, rare genetic disease, longevity, synbio, long-COVID, cryogenics and beyond. Co-founded Orange DAO, a $50M YC alumni fund and started our accelerator program. Also commercialized technology across solar, biotech, and ML in deep tech startups.

Company timeline

Similar startups