For Policymakers
We collaborate with policymakers and government bodies to navigate regulations and drive innovation in mental health care.
£40bn
cost of insomnia to UK economy
Bridging the Gap in
Digital Healthcare
Evidence-based interventions through apps and software, transforming healthcare access and treatment. Countries like Germany and the US lead the way, but the UK lags behind.
72%
Clinician demand
5m
prescriptions in 2023/4
81%
Patient demand
2x
risk of depression

Transforming Healthcare with Digital Therapeutics
Digital therapeutics offer clinically validated, software-based treatments that improve patient outcomes. With accessibility, scalability, and cost-effectiveness, they’re revolutionising how we manage and treat various health conditions.
From hospital to community
Offers instant, prescription-free access to proven sleep therapy, reducing NHS costs and freeing up primary care resources.
From analogue to digital
Sleepio provides the same benefits as NHS Talking Therapies at 1% of the cost, instantly accessible and infinitely scalable.
From sickness to prevention
Sleepio offers immediate CBTi for insomnia, reducing reliance on medications with significant safety risks.
Leading the way in digital health




A Journey of Growth and Innovation
From the early days to where we are now, our timeline showcases our dedication to excellence and progress throughout the years.

Sleepio founded by Professor Colin Espie and Peter Hames

First Randomised Controlled Trial is completed for Sleepio

Sleepio launches in Boots Pharmacy as a physical prescription-only product

Big Health is born

Second Randomised Controlled Trial is completed for Sleepio

Third Randomised Controlled Trial is completed for Sleepio

Fourth, Fifth and Sixth Randomised Controlled Trials are completed for Sleepio

Big Health launches new team in the UK.
Daylight launches.
Seventh and Eighth Randomised Controlled Trials are completed for Sleepio
Daylight launches.
Seventh and Eighth Randomised Controlled Trials are completed for Sleepio

Sleepio and Daylight provided to NHS workers for free during the COVID-19 pandemic.
Ninth, tenth, eleventh and twelfth Randomised Controlled Trials are completed for Sleepio.
First Randomised Controlled Trial is completed for Daylight.
Ninth, tenth, eleventh and twelfth Randomised Controlled Trials are completed for Sleepio.
First Randomised Controlled Trial is completed for Daylight.

Sleepio and Daylight funded nationally across Scotland by the Scottish Government

Sleepio receives NICE recommendation.
Thirteenth Randomised Controlled Trial is completed for Sleepio.
Partnership with Macmillan Cancer Support is launched to fund Sleepio and Daylight for cancer patients and their families.
Thirteenth Randomised Controlled Trial is completed for Sleepio.
Partnership with Macmillan Cancer Support is launched to fund Sleepio and Daylight for cancer patients and their families.

Fourteenth Randomised Controlled Trial is completed for Sleepio

SleepioRx and DaylightRx receive FDA clearance in the US.
Fifteenth Randomised Controlled Trial is completed for Sleepio.
Sleepio is commissioned in the Frimley and BOB ICB areas of England.
Daylight HEOR takes place in the South Yorkshire ICB area.
Fifteenth Randomised Controlled Trial is completed for Sleepio.
Sleepio is commissioned in the Frimley and BOB ICB areas of England.
Daylight HEOR takes place in the South Yorkshire ICB area.

Sixteenth Randomised Controlled Trial is completed for Sleepio
Articles
NHS Budget Scrutiny: Right, Until it’s Not
The NHS must tackle overprescribing to cut waste and improve care. Scrutiny should drive smarter spending, not inertia. Reform is needed for better patient outcomes.
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The risks associated with some prescribed medicines: Public Health England’s 2019 report
Big Health promotes digital treatments like Sleepio to reduce reliance on z-drugs, offering safer, evidence-based alternatives for managing insomnia.
Read More