This in-depth look at sleep, including all the most recent scientific developments, will help improve your sleep, health and quality of life.

Dr Chris Idzikowski, BSc PhD FBPsS, is Director of the Sleep Assessment and Advisory Service. A Chartered Psychologist and leading specialist in sleep disorders, he has served as Chairman of the British Sleep Society and has been a long-standing member of the Royal Society of Medicine's Sleep Medicine Section. He has worked for a variety of organizations in an advisory capacity, including airlines, pharmaceutical companies and hotel groups, as well as with various sporting associations and as a forensic sleep specialist.