Helen Stevens 
Deep Sleep Meditations: Reach Profound Levels of Sleep [EPUB ebook] 
Rest Like Never Before and Be Ready to Experience a New Day Feeling Fully Renewed with 3 Hours of Smoothing Sleep Meditations

The is the best book to get deep sleep. If you does not get good sleep then you must get some content to relax your mind. It is important to make your environment calm and quite to get good sleep. This book will help to create this environment.