About Big Health (Sleepio, Daylight)
Big Health is a digital mental health company that makes two self-guided CBT programs: Sleepio for chronic insomnia and Daylight for generalized anxiety. The prescription versions, SleepioRx and DaylightRx, received FDA 510(k) clearance in 2024 and can be ordered by a licensed clinician; Medicare billing codes for digital mental health treatment devices took effect in January 2025. The non-prescription versions are offered through some employers and health plans. Both programs have randomized trials behind them, mostly funded by Big Health. The company raised $23.7 million in February 2026. This profile covers the company; see the separate Sleepio and Daylight profiles for each program.