Healing Night: The Science and Spirit of Sleeping, Dreaming and Awakening, by Rubin Naiman (Syren, 2005).
Sleep Disorders for Dummies, by Max Hirshkowitz, Patricia B. Smith and William C. Dement (For Dummies, 2004).
Sleep Smarter: 21 Essential Strategies to Sleep Your Way to a Better Body, Better Health and Bigger Success, by Shawn Stevenson (Rodale Books, 2016).
No More Sleepless Nights Workbook, by Peter Hauri and Murray Jarman (John Wiley & Sons, 2000).
The Harvard Medical School Guide to a Good Night’s Sleep, by Lawrence Epstein and Steven Mardon (McGraw-Hill, 2006).
The No-Cry Sleep Solution for Toddlers and Preschoolers: Gentle Ways to Stop Bedtime Battles and Improve your Child’s Sleep, by Elizabeth Pantley (McGraw-Hill, 2005).
Healthy Sleep: Fall Asleep Easily, Sleep More Deeply, Sleep Through the Night, Wake up Refreshed, by Andrew Weil and Rubin Naiman (Sounds True, 2007).
For more detailed instructions and worksheets to improve your sleep, check out Chapter 7: Rest is Best in Well to Do: A Guide to Take Charge, Set Goals, and Improve Your Health.