Please visit www.safetsleep.com and have a read of our FQA's you will see that the product is to be used in conjunction with positive parenting. I have spent over 30 yrs facilitating positive,nurturing parenting workshops and well over 200,000.00 babies have now slept safely in the Safe T Sleep Sleepwrap! This really says it all! warmest regards and happy parenting Miriam, mum/inventor/educator