Sleepwalking, or somnabulism, is a parasomnia - one of the family of sleep disorders which involves unwelcome experiences or behaviours.

In honour of World Book Day, thought I'd pick out my current top 10 books on sleep, and sleep science.. it's a changing feast but there...

This is probably the question I get asked most frequently! The answer is.. well, the answer is, that there is no one answer that suits...