It is impossible for a person to hold their breath long enough to pass out because our body has the ability to control the breathing mechanism itself without influence from outside causes.
It is impossible for a person to hold their breath long enough to pass out because our body has the ability to control the breathing mechanism itself without influence from outside causes. This is not one of the voluntary mechanisms of the body.
When implementing a personal plan if you believe you will struggle on it take it step by step or slowly to prevent yourself from doing more then you can