There are several reasons behind people feeling alarmed or frightened because of yoga sessions and classes. Just for the record, do make it understood that if you are one of them, feeling like this is completely normal and understandable. People feel switch off the moments during yoga classes and there are different altogether reasons for the same. Some feel awkward with the mantra chanting of OM, which usually happens at the beginning and end of yoga classes, no matter whether it is a beginner session or an advanced one. Some of them feel on the edge once they hear Sanskrit mantras and so, which usually are used while doing Yoga postures, asanas and other practices.