Dr. Yousef Al-Qurashi: PhD in Sleep and Respiratory Medicine, Imperial College London (Thesis topic: Methods of assessing sleep and drowsiness in healthy adults and patients with respiratory sleep disorders). Master's degree in Respiratory Therapy and Sleep Disorders. - Bachelor's degree in Respiratory Therapy Why do we sleep? Is intermittent sleep normal? What about "snoring"? These are sleep disorders and why should we know them well? What is the real effect of coffee on sleep? How do we deal with sleep and its problems during the month of Ramadan? You've heard about the biological clock, of course, but have you learned how to adjust and deal with it? What have we missed about dreams, the "hidden world" ?! You will find more than 100 pieces of information, benefits and advice about sleep in this book, and it will be an eternal reference for you to enjoy a healthy and peaceful sleep. Note: The book includes an "agenda" to monitor sleep quality for a whole month.