Perhaps it is because you had one beer too many the night before, and certainly, four hours sleep doesn't help.
Muscle tissue has a remarkable memory.
Habits of movement are deeply ingrained within the muscle structure. These muscle habits are so close to us that they are part of our daily lives, and so, ofcourse, we are not aware that we have them. The Alexander Technique offers the possibility of a different, but easier and more efficient experience during activity. I can as much say what the experience IS , as I can explain in words how to ride a bicycle to someone who has never ridden one before. First came a general, growing awareness of my physical self before I experienced any change in the use of myself during specific activities, such as cycling.