Carbeds are only for infants with special healthcare needs....
The more upright a
FF seat is the safer the child is &
RF seats can only be reclined between 30-45 degrees.
What seats do you currently have? What vehicle year, make, model?
It is recommended to stop at least every 2 hours for every vehicle occupant's safety & comfort -- otherwise even young healthy adults can develop painful problems in their legs, etc.
A favorite blankey or stuffed toy or crib sized pillow is usually sufficient for sleeping comfort: just remember that nothing may interfer with the carseat harness system
