1) Do you use the computer lot's (how many hours per day)
2) What do you do for work
3) Do you have Forward head posture
4) Do you have Forward/rounded shoulder posture
5) How is your posture in general?
6) do you have numb/cold hands?
Also this might sound silly, but you talk about a feeling of lost energy, I know that in my quest for health and energy one of the most vital practices I have undertaken is strict celebacy. I am not sure if you are male, but if you are, consider that sexual excess (especially self-gratification) can be disasterous to your energy level. I would recommend cutting back to once every month or 2, or if you can, stop completely until you have resolved all of your health issues.
In the meantime, you will have a reservoir of industry that grows by the day.