GlobeNewswire / Stellar Sleep · Apr 2024
Primary company announcement about wearable integrations, expanded programming, and subscription details.
We help people with chronic insomnia sleep better, using psychology.
Public company, workplace, funding, and market signals
Updated Aug 16, 2026
Stellar Sleep is a San Francisco-based digital health company offering a CBT-I-based mobile app for chronic insomnia, using psychology and sleep-data-driven personalization to help users sleep better long term.
Primary product
CBT-I mobile app for chronic insomnia management
Founded
2021
Headquarters
San Francisco, California, United States
Team size
11-50 employees
Industry
Mental Health Care
Sub-industry
Digital health / sleep therapy / insomnia management
Business model
Stage
Seed
Total raised
$6.1M
Latest round
Seed · Feb 2024
Latest amount
$6M
Feb 2024 · Initialized Capital
Leadership
Co-founder & CTO/CPO
George Wang
Co-founder & CEO
Product Lead, Consumer
K-Tjen Khong
VP of Marketing
Founding Engineer
Primary-source evidence suggests an evidence-based, mission-driven culture focused on helping people with insomnia through psychology and clinician-informed product development.
Compensation
No public compensation bands or visa policy found in primary sources. Hiring and team growth signals point to a small startup engineering/clinical team; no reliable pay data located.
Pricing
Subscription starting at $60/month; FSA/HSA eligible.
Differentiators
Technology
Customers
Competitors
Estimated monthly visits
85.1K
Traffic estimate as of Jun 2026
GlobeNewswire / Stellar Sleep · Apr 2024
Primary company announcement about wearable integrations, expanded programming, and subscription details.
TechCrunch · Feb 2024
Reports the $6M seed round, $60/month subscription, first institutional funding, and investor list.
GlobeNewswire / Stellar Sleep · Feb 2024
Primary company press release on the seed round and product positioning.
Massachusetts eHealth Institute · Feb 2024
Described Stellar Sleep as a MeHI grantee and noted the company won a $100,000 grant for a placebo-controlled clinical study.
Y Combinator · Aug 2023
Public launch announcement; noted the company reached $1M ARR within 9 months and was part of YC S23.
34 jobs at Stellar Sleep