The 60-nights starts the day the baby is first placed in the crib or within 120 days of delivery, whichever comes first. Related ArticlesHow is it different from other smart cribs?How do I assemble the Cradlewise Smart Crib?Until what age can my baby stay in the Cradlewise Smart Crib?Do you offer an extended warranty?What happens to my CradlewiseProtection Plan if I return my product?