Company Overview
About Big Health
Big Health is a pioneer of prescription digital therapeutics for mental health and sleep. Its flagship products — Sleepio (insomnia) and Daylight (anxiety) — are both cognitive behavioral therapy (CBT) programs delivered as software, with randomized controlled trial evidence of clinical efficacy.
Business Model & Competitive Advantage
In February 2026, Big Health raised $23.7M led by .406 Ventures and AlleyCorp, with CVS Health Ventures participating. The round signals renewed investor confidence in DTx after a difficult period that saw peers like Pear Therapeutics exit the market.
Competitive Landscape 2025–2026
Big Health distributes through employers, health plans, and the UK NHS rather than direct-to-consumer, and competes with Click Therapeutics, SilverCloud Health, Lyra, Meru Health, and DTx offerings from large mental-health platforms.
Frequently Asked Questions
Estimated Visibility Trend (Beta)
Simulated 8-week rolling score
Based on estimated brand signals. Historical tracking coming soon.
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