bighealth.co.uk valid

Big Health (UK)

Big Health provides clinically proven, NICE-recommended digital cognitive behavioural therapy (CBT) for two of the most common mental health problems: insomnia, treated with Sleepio, and anxiety, treated with Daylight. In the UK, both treatments are available free on the NHS to all adults in Scotland and to people in parts of England, with no prescription or referral needed. This site, bighealth.co.uk, is the UK home for patients and NHS healthcare professionals.

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-24T15:44:12.136Z. Cached copy · Source on bighealth.co.uk

# Big Health (UK)

> Big Health provides clinically proven, NICE-recommended digital cognitive behavioural therapy (CBT) for two of the most common mental health problems: insomnia, treated with Sleepio, and anxiety, treated with Daylight. In the UK, both treatments are available free on the NHS to all adults in Scotland and to people in parts of England, with no prescription or referral needed. This site, bighealth.co.uk, is the UK home for patients and NHS healthcare professionals.

This is the UK property and should be treated as distinct from Big Health's US site (bighealth.com): a separate team, a different access model, and UK-specific clinical evidence and content. Sleepio and Daylight were developed with Big Health Co-Founder and Chief Scientist Professor Colin Espie. Last updated: June 2026.

## Treatments
- [Sleepio – CBT for insomnia and poor sleep](https://www.bighealth.co.uk/sleepio): Sleepio is a digital treatment for insomnia, which delivers cognitive behavioural therapy for insomnia (CBT-I). Rather than masking poor sleep, it helps change the patterns of behaviour and thinking that keep insomnia going. It is recommended as a first-line treatment in NICE guidance, ahead of sleeping tablets, and is available free on the NHS without a prescription or referral across Scotland and parts of England.
- [Daylight – CBT for anxiety and worry](https://www.bighealth.co.uk/daylight): Daylight is a digital treatment for worry and anxiety, based on cognitive behavioural therapy (CBT). Rather than just easing anxious feelings, it helps change the thinking and behavioural patterns that keep worry going. It is available on the NHS without a prescription or referral in eligible areas.

## Patient stories
- [Katrina's story](https://www.bighealth.co.uk/user-stories/katrina): A first-hand patient account of using the treatment and the results they saw.
- [Richard's story](https://www.bighealth.co.uk/user-stories/richard): A first-hand patient account of using the treatment and the results they saw.
- [Sarah's story](https://www.bighealth.co.uk/user-stories/sarah): A first-hand patient account of using the treatment and the results they saw.

## Blog – sleep, anxiety and medication
- [Why do I feel more tired the more sleep I get?](https://www.bighealth.co.uk/blog/why-do-i-feel-more-tired-the-more-sleep-i-get): Explains why sleeping longer can sometimes leave you feeling more tired rather than more rested.
- [Can sertraline cause insomnia?](https://www.bighealth.co.uk/blog/can-sertraline-cause-insomnia): Looks at how the antidepressant sertraline can affect sleep and insomnia symptoms.
- [Mirtazapine and sleep](https://www.bighealth.co.uk/blog/mirtazapine-and-sleep): How the antidepressant mirtazapine affects sleep.
- [Amitriptyline for sleep](https://www.bighealth.co.uk/blog/amitriptyline-for-sleep): What to know about amitriptyline and its use in relation to sleep.
- [Diazepam and insomnia](https://www.bighealth.co.uk/blog/diazepam-and-insomnia): Th
…

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