Why can’t I sleep? My mission to understand insomnia – video

Millions of people in the UK have trouble sleeping, and Guardian reporter Leah Green is one of them. Like many insomniacs, she has tried all the home remedies, sleep hygiene techniques and gadgets designed to cure her sleep problems. She finds out why it is so difficult to conquer insomnia, and why good treatment is so hard to come by

For more information about treating insomnia:

• NHS advice
• Digital access to CBT-I treatment - Sleepio