How to practice Zhouzhuang Wudang Taiyi Neidan when time is tight?

Posture: Stand with feet parallel, shoulder-width apart, knees slightly bent. The hips are loose and the abdomen is slightly contracted. Keep a clear head. Retract the lower jaw slightly. The upper and lower teeth are gently locked, the mouth is slightly contained, and the eyes are slightly closed. Shoulders are flabby and hands droop naturally. The whole posture should be comfortable and natural. This is a rodless pile.

Breathing: natural.

Achievement method: relax, have no strength at all, eliminate distractions and stand still for three minutes.