Sleep disorders are really common at any age, and they often make your mood and your concentration much worse the next day. Adolescence sees key changes in the amount of sleep you need, but also on the timing and duration of your sleep.Not getting your regular 8-10 hours of sleep can have an immediate and long-term impact on your learning and how you feel.This book is written to help you understand more about your sleep and how it changes as you get older. Most sleep disorders have good treatments that can often work over just a few weeks.Even if you have had the problem for a long time. Written by a clinician with many years of experience working in sleep services with adolescents, this book follows an approach called cognitive behavioural therapy (CBT), which is a really useful way of helping us to make sense of our experiences and overcome the difficulties that we face.CBT is an evidence-based approach, which means that lots of research has been done to evaluate it and show that it can be helpful. This book uses case studies, engaging illustrations, exercises and accompanying online resources, and includes help and support on:· Understanding the way sleep works and why being asleep isn't lazy!· Effective techniques that will improve sleep quality, daytime mood and cognitive function. · Advice on delayed sleep phase syndrome, insomnia and parasomnia. OVERCOMING FOR TEENAGERS is a series to support young people through common mental health issues during adolescence, using scientific techniques that have been proven to work. Series editors: Associate Professor Polly Waite and Emeritus Professor Peter Cooper