Peaceful sleep is a challenge to achieve now a days. OSA has posed a worrisome question mark on the concept of peaceful sleep. Treatment of obstructive sleep syndrome is the most controversial, confusing of all diseases that we treat as Orthodontists. Through this book we continue to introduce many innovative techniques that have proven beneficial to patients.In this edition of the book, we have included the epidemiology, pathophysiology, risk factor associated, diagnosis and finally management option of the same through various means. We must understand that surgery is only salvage for those...