Overview
Hypnos is an AI powered digital sleep journal that helps you discover how your habits impact your sleep. It does this by taking in your mood, daily activities, and pairing them with data from your sleep tracker. Delivering insights on how to improve your sleep and habits.
Founders & team
Previously Moonshot Brewing, Moonshot (was Moonshot Brewing), SleepWell.ai (was Moonshot), SleepWell.ai, Hypnos.ai
Andrew Fleischer
FounderChemist, 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
FounderFounder @ Reactorfield.com - Making scientists and deep tech teams AI native.
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.
Founded 2018 · Source ↗
Sources & observations
Y Combinator
Profile depthverified profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedDallas, TX, USA; Remote
Pricing evidenceNo pricing page confirmed
Maturity: Not assessed · 3 of 6 areas documented
Source-based assessment · automated evidence rules
The source reports an inactive or acquired company; current product identity needs review.
Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.
Stage definitionsindependent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding year