---
title: Big Health | Outcomes
description: Our digital programs give you access to behavioral medicine via web or mobile, night or day - like having the world’s best therapists on call.
---

[![BigHealth_Blue_200H](https://go.bighealth.com/hubfs/BigHealth_Blue_200H.svg "BigHealth_Blue_200H")](https://www.bighealth.com/)

- Our Products 
    - [Sleepio](https://info.bighealth.com/sleepio)
    - [Daylight](https://info.bighealth.com/daylight)
- [For Organizations](https://info.bighealth.com/employers)
- [NHS & Care](http://www.bighealth.com/en-gb/nhs-2021)
- Resources 
    - [Blogs & Reports](https://2855617.hs-sites.com)
    - [Research](https://info.bighealth.com/outcomes)
    - [News](https://2855617.hs-sites.com/news)
- About Us 
    - [Careers](https://info.bighealth.com/careers)
- [Contact Us](https://2855617.hs-sites.com/contact-us)

- Our Products 
    - [Sleepio](https://info.bighealth.com/sleepio)
    - [Daylight](https://info.bighealth.com/daylight)
- [For Organizations](https://info.bighealth.com/employers)
- [NHS & Care](http://www.bighealth.com/en-gb/nhs-2021)
- Resources 
    - [Blogs & Reports](https://2855617.hs-sites.com)
    - [Research](https://info.bighealth.com/outcomes)
    - [News](https://2855617.hs-sites.com/news)
- About Us 
    - [Careers](https://info.bighealth.com/careers)
- [Contact Us](https://2855617.hs-sites.com/contact-us)

## Everything we do is backed by gold standard scientific evidence

![Scientist Table](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/scientist-table@2x.gif) ![Scientist Table](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/table@2x.png)

![Scientist Solo](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/scientist-solo@2x.gif)

![Scientist Computer](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/scientist-computers@2x-1.gif) ![Scientist Computer](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/computer-1@2x.gif) ![Scientist Computer](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/computer-2@2x.gif) ![Scientist](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/computer-3@2x.gif)

## The largest evidence base in digital mental health

% achieving healthy sleep levels

- Post program
- 8 weeks post program

![healthy sleep](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/outcomes-1-healthy-sleep@2x.png) Espie et al. (2012) SLEEP;35(6).

#### Sleepio helped 76% of people achieve healthy sleep

In the world's first placebo-controlled trial for a digital sleep improvement program, [Sleepio](https://info.bighealth.com/sleepio?hsLang=en) was shown to be significantly more effective than placebo.

% achieving healthy sleep levels

- Post program
- 8 weeks post program

![healthy sleep](https://info.bighealth.com/hubfs/BigHealth%20May2018/Images/outcomes-1-healthy-sleep@2x.png) Espie et al. (2012) SLEEP;35(6).

![daylight-RCT-2](https://go.bighealth.com/hubfs/daylight-RCT-2.png)

#### Daylight helped 71% of participants move from clinical to sub-clinical levels of worry & anxiety

By week 10 follow-up, 71% of Daylight users in [the study](https://blog.bighealth.com/news/randomized-controlled-trial-demonstrates-efficacy-of-daylight-for-improving-anxiety) moved from clinical to sub-clinical levels of worry & anxiety, as compared to 33% of those in the control group. Improvements were maintained at week 26 (uncontrolled) follow-up.

![daylight-RCT-2](https://go.bighealth.com/hubfs/daylight-RCT-2.png)

Disclaimer: In the US, Sleepio and Daylight have not been cleared by the FDA for use in diagnosis or treatment of a disease or condition, such as insomnia disorder, generalized anxiety disorder, or major depressive disorder. Users are directed to not make any changes to their prescribed medication or other type of medical treatment without seeking professional medical advice.

## Published research 30+ peer-reviewed papers, 13 RCTs

[Online CBT for chronic insomnia disorder Espie et al. (2012)SLEEP (RCT #1) Read paper](http://www.ncbi.nlm.nih.gov/pubmed/22654196)

[Daytime impact of DSM-5 insomnia disorder Espie et al. (2012)Journal of Clinical Psychiatry Read paper](http://www.ncbi.nlm.nih.gov/pubmed/23290331)

[Use of the internet and mobile media for CBT for insomnia Espie et al. (2013)Sleep Medicine Clinics Read paper](http://www.sleep.theclinics.com/article/S1556-407X(13)00057-X/abstract)

[The Sleep Condition Indicator Espie et al. (2014)BMJ Open Read paper](http://dx.doi.org/10.1136/bmjopen-2013-004183)

[Attribution, cognition and psychopathology in persistent insomnia disorder Espie et al. (2014)Sleep Medicine Read paper](http://dx.doi.org/10.1016/j.sleep.2014.03.001)

[Sleep to lower elevated blood pressure: study protocol McGrath et al. (2014)Trials Read paper](https://trialsjournal.biomedcentral.com/articles/10.1186/1745-6215-15-393)

[Tailoring cognitive–behavioural therapy for insomnia to specific needs Espie et al. (2014)The European Sleep Medicine Textbook Read paper](http://www.esrs.eu/esrs/sleep-medicine-textbook.html)

[The anxiolytic effects of cognitive behavior therapy for insomnia Pillai et al. (2015)Journal of Sleep Medicine Disorders (RCT #2) Read paper](https://info.bighealth.com/hubfs/BigHealth%20May2018/Pdf/sleepmedicine-2-1017.pdf?hsLang=en)

[Italian validation of the Sleep Condition Indicator Palagini et al. (2015)International Journal of Psychophysiolology Read paper](http://www.sciencedirect.com/science/article/pii/S0167876015300246)

[Effects of CBT for insomnia on the mental health of university students: study protocol Freeman et al. (2015)Trials Read paper](http://trialsjournal.biomedcentral.com/articles/10.1186/s13063-015-0756-4)

[The pros and cons of getting engaged in an online social community Coulson et al. (2016)Journal of Medical Internet Research Read paper](http://dx.doi.org/10.2196/jmir.5654)

[The impact of dCBT for insomnia on functional health, quality of life and psychological well-being: study protocol Espie et al. (2016) Trials Read paper](http://trialsjournal.biomedcentral.com/articles/10.1186/s13063-016-1364-7)

[Sleep and productivity benefits of digital CBTi Bostock et al. (2016)JOEM (RCT #3) Read paper](https://journals.lww.com/joem/Abstract/2016/07000/Sleep_and_Productivity_Benefits_of_Digital.6.aspx)

[Efficacy of a sleep quality intervention in people with low back pain: a protocol Pinheiro et al. (2016)Twin Research and Human Genetics Read paper](http://dx.doi.org/10.1017/thg.2016.67)

[Psychometric properties of the Sleep Condition Indicator and Insomnia Severity Index Wong et al. (2017)Sleep Medicine Read paper](http://dx.doi.org/10.1016/j.sleep.2016.05.019)

[Treating depression and anxiety with dCBT for insomnia: a real world NHS evaluation Luik et al. (2017)Behavioural and Cognitive Psychotherapy Read paper](http://dx.doi.org/10.1017/S1352465816000369)

[Helping employees sleep well: effects of CBT for insomnia on work outcomes Barnes et al. (2017)Journal of Applied Psychology (RCT #4) Read paper](http://dx.doi.org/10.1037/apl0000154)

[Sleep to lower elevated blood pressure (SLEPT) McGrath et al. (2017)American Journal of Hypertension (RCT #5) Read paper](https://academic.oup.com/ajh/article/doi/10.1093/ajh/hpw132/2927604/Sleep-to-Lower-Elevated-Blood-Pressure-A)

[Digital Cognitive Behavioral Therapy (dCBT) for Insomnia: a state-of-the-science review Luik et al. (2017)Current Sleep Medicine Reports Read paper](http://dx.doi.org/10.1007/s40675-017-0065-4)

[Validation of a French version of the Sleep Condition Indicator Bayard et al. (2017)Journal of Sleep Research Read paper](http://dx.doi.org/10.1111/jsr.12556)

[Effects of dCBT for Insomnia on cognitive function: Study protocol Kyle et al. (2017)Trials Read paper](http://dx.doi.org/10.1186/s13063-017-2012-6)

[Feasibility of a UK community-based, eTherapy mental health service Elison et al. (2017)BMJ Open Read paper](http://dx.doi.org/10.1136/bmjopen-2017-016392)

[The effects of improving sleep on mental health (OASIS) Freeman et al. (2017)Lancet Psychiatry (RCT #6) Read paper](http://doi.org/10.1016/S2215-0366(17)30328-0)

[The Sleep Condition Indicator: a sample of 200,000 adults Espie et al. (2017)Journal of Sleep Research Read paper](https://doi.org/10.1111/jsr.12643)

[Predictors of response to dCBT for insomnia (STOP) Denis et al. (2017)BMJ Open Read paper](http://doi.org/10.1136/bmjopen-2017-017177)

[Does using a wearable device to estimate sleep influence therapy? Luik et al. (2018)npj Digital Medicine Read paper](http://doi.org/10.1038/s41746-017-0010-4)

[Efficacy of dCBT for insomnia to improve depression across demographic groups Cheng et al. (2018) Psychological Medicine (RCT #7) Read Paper](https://doi.org/10.1017/S0033291718001113)

[Insomnia and workplace productivity Espie et al. (2018)Sleep Health Read Paper](https://doi.org/10.1016/j.sleh.2018.03.003)

[Digital CBT for insomnia improves health, well-being and quality of life Espie et al. (2018) JAMA Psychiatry (RCT #8) Read Paper](https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2704019)

[Depression prevention via digital cognitive behavioral therapy for insomnia Cheng et al. (2019) SLEEP (RCT #8 follow-up) Read paper](https://academic.oup.com/sleep/advance-article/doi/10.1093/sleep/zsz150/5571183?searchresult=1)

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