All YTT listings, from primary 200-hour trainings for aspiring students who are just getting started, to 300-hour advanced programs. You'll also find specialized trainings, from prenatal, yoga nidra, kids yoga and more. All YTT listings, from primary 200-hour trainings for aspiring students who are just getting started, to 300-hour advanced programs. You'll also find specialized trainings, from prenatal, yoga nidra, kids yoga and more.