When is baby ready for CIO? Most experts agree 16 weeks-6 months is optimal for fastest success with least crying. But CIO isn't required for Babywise! Learn about the 4 S's gentle sleep training method (life-changer!), extinction vs Ferber methods, how to know if baby is ready, before-you-start checklist. Poll results: when real moms started CIO. Important: Babywise does NOT require hardcore CIO—just independent sleep skills. Trust your gut, have a plan, find support. #cryitout #sleeptraining #babywise #babysleep #gentlesleeptraining #babywisemom