Are you the sort who can sleep anywhere? Or do you need 3.5 pillows, earplugs and a mulberry silk duvet?
The sleep industry is estimated to be worth between £21bn and £28bn and has historically grown by more than 8% a year. It costs the UK economy some £40bn a year.
A lack of regular sleep is said to put you at risk of serious medical conditions, including obesity, heart disease and diabetes – and it shortens your life expectancy. It's also said to have a link with Alzheimer’s.
Try this self-assessment.
The Sleep Council's Great British Bedtime Report found:
If you're still having problems sleeping, speak to your GP, as there may be an underlying medical cause.