Big Health
Consumer HealthTech
San Francisco, California

Overall Rank: 409
Category: Consumer HealthTech
Category Rank: 57


  • Top HealthTech Company of 2022


Big Health’s mission is to help millions back to good mental health by providing safe and effective digital mental health treatments for the most common mental health conditions, including insomnia and anxiety. Designed by leading clinical experts, Big Health’s digital therapeutics, Sleepio for insomnia and Daylight for anxiety, expand access to gold-standard care, including behavioral medicine, and are backed by industry-leading research and randomized controlled trials. By seamlessly integrating across the care pathway, from member engagement to billing via pharmacy benefit managers, Big Health simplifies adoption for both payers and patients, providing an inclusive, scalable, and affordable approach without serious side effects.

Today, Big Health has more than 10 million covered lives, more than 70 published studies, 13 randomized controlled trials (RCTs), and more than 28,000 study participants. In 2021, Big Health’s digital therapeutics Sleepio and Daylight became available nationally to all adults in Scotland. In 2022, Sleepio became the first-ever digital therapeutic to receive National Institute for Health and Care Excellence (NICE) guidance as a safe, effective, and cost-saving option for treating insomnia in the U.K.


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Key Products


Sleepio is a revolutionary digital therapeutic for insomnia. Sleepio addresses unique needs with a personalized program, featuring sessions with step-by-step guidance through evidence-based techniques. In about 20 minutes per week, individuals can quiet their racing minds, reshape behaviors, and get better sleep.


Daylight is a life-changing digital therapeutic for anxiety. Daylight is an effective digital therapeutic that helps people gain control over their anxiety. After a two-minute quiz to discover their Anxiety Type, individuals receive personalized techniques to help manage it.

Customer Insights

“Sleepio has made a huge change in my ability to fall asleep quickly and have restful sleep.” — Member in UK


“Using this program is like having a friend that understands your anxiety around sleep and helps you through it.” — Member in Africa


“I’ve had insomnia for 18 years. Sleepio has brought my average sleep from two hours a night to seven hours a night.” — Member in UK


“I can’t believe I learned so much in such a short time after suffering for decades. This program is brilliant.” — Member in US


“I have been suffering in silence for a long time and Daylight has been the first thing to ever actually help with my worry and anxiety.” — Member in UK


“Daylight has allowed me to successfully manage my anxiety — and also to acknowledge that it’s okay to feel how I feel.” — Member in UK


“Daylight has offered me a number of coping mechanisms which I have found to be incredibly useful and continue to use to help manage my anxiety.” — Member in UK