If my baby falls asleep in his bouncer should i move him to his crib?

he only naps in the bouncer or should i say catnaps. should i then move himto his crib. the thing i that at the babysitters home i cant take the crib so he will be napping in the bouncer. i also have a playpen should i take that to her house too? so he can nap more comfortable. and during the he never naps in his crib is that okay. i want him to know that his crib is for sleeping at night what do you moms recommend?