An individuals airway becomes blocked during sleep.
That statement is true
Pilates and Yoga Instructors need to have the knowledge to use their yoga/pilates movements for wide variety of benefits.
Not only for the client's body shape, they also need to have the know how to use their movement for therapeutic benefits, that's why they require specialized training
Active listing is important so you can know what they are saying. Without active listening than you may forget things. Also the four rules of active listening are too look at the person (eye contact) listen too them. And I do not know the rest. Sorry, but that's the best I can do :)