Sleep training does not always mean you have to let your baby cry. Secrets of the baby whisperer: Healthy Sleep Habits Happy Twins A Step-by-step Program Httpswwwamazoncomdp0345497791refcm_sw_ Healthy Sleep Habits Healthy Sleep Sleeping Habits Healthy sleep habits, happy child by marc weissbluth m.d. Best sleep training books for twins . It’s the best book resource available. The sleep sense program by dana obelman; Can twins sleep in the same crib? Healthy sleep habits, happy child. Now, in healthy sleep habits, happy twins, beloved pediatrician and renowned sleep authority. Most sleep training methods do not entail letting your child cry, and you can choose whatever method feels right for you and your twins. A complete list of the best sleep training books for babies. If you do nothing, they may do that naturally as a matter of course. While my sleep training method is (and will always be) the same as the original sleep fairy way, this edition includes tips and ...