Vparents baby car nap is taken by a baby while in a moving vehicle,/car. This type of nap is common for baby and can help them get some rest while traveling or on the go. The motion of the vehicle can be soothing to the baby and help them fall asleep faster. However, it is Suggested ensure the safety of the baby while they nap in a car, such as properly securing them in a car nap and never leaving them unattended.