Yes, it is safe to recline your MamaRoo with your baby inside. The MamaRoo has been designed with safety in mind and includes various reclining positions to accommodate your baby's comfort and safety. It's built with a secure, three-point harness to protect your baby during motion. However, as with any baby product, never leave your child unattended in the MamaRoo. Always ensure the harness is properly fastened and adjusted to your baby’s size before use.