Are you tired of restless nights? Does uncertainty invade you when trying to understand your baby's sleep? In Sleep Happy, you will find clear, realistic and empathetic answers to transform your family's nights. Desire Duerme Feliz, a pioneer as a child sleep consultant in Spain, guides you on a unique journey that combines science, experience and love. This book is not a manual of rigid methods, but an invitation to understand the nature of children's sleep from a respectful and realistic approach. Throughout its pages you will find a new perspective on baby sleep, empowering families with clear and non-judgmental information. You will discover the CALM method, which will help you manage expectations, improve night-time dynamics and find personalized solutions. You will receive practical advice on how to build healthy habits, interpret signals and establish routines that respect your baby's and your own needs.