Assuming that they just used breathing meditation (the most popular form of meditation), then I wouldn't be surprised. It's just one form of meditation to bring

Assuming that they just used breathing meditation (the most popular form of meditation), then I wouldn't be surprised. It's just one form of meditation to bring calmness to a busy mind. Other religions like Buddhism, also have analytical meditation which they use to minimize/eliminate the ego to obtain nirvana/enlightenment.