We get it, 90 minutes in the room can feel like a long time. It is very normal if your mind went a little bit crazy.
Also know, this process in Bikram Yoga is a big opportunity to develop a strong mindset. The more you practice, you will be amazed how much more connected and focused you will feel in the room. You are actually learning to better deal with life's stress and challenges in a more healthy way!
The best advice, is focus on breathing and just go one moment at a time. If you rush ahead in your mind it will complain! If you are present the mind will be calm. Remember, you are building the perfect marriage between the body and the mind!