The signs of your disease, such as immobility and the respiratory issues, imply the development of an autoimmune condition such as Guillain-Barre or myelitis. It's necessary to visit a specialist and get suitable drugs. If the domestic health institutions do not want to take that risk, you may go for care abroad where you can find special rehabilitation centers. Make sure to seek advice and assistance from the doctors who treat you as well as get any therapy you need. 

Your problem seems to point that your sleep and your focus are getting affected by your case. It may be due to your sleep pattern or stress. You should just adopt some healthy habits such as following a consistent sleep schedule, exercise daily, and keep away from electronic devices before going to bed. In order to develop better concentration usage of small study sessions and break will be the answer. If this problem still exists, seeing a physician or a mental health professional might be a good option. 

Inner ear diseases, headaches and migraines, low blood pressure and some medications can cause dizziness or abnormal visual perceptions such as the illusion of movement. A neurologist should be consulted for the right diagnosis and treatment.

Lack of vitamin D levels in the case of multiple sclerosis patients may be responsible for muscle pain on some occasions. You should be getting enough vitamin D from sunlight or a supplement of vitamin D. Besides that, you can try to make the tension loosen or apply a warm compress to stop the pain. If the pain continues, go to a doctor to get professional advice.

It sounds like your son might be experiencing an eye movement disorder, which could be a sign of a neurological issue. I recommend taking him to a pediatric neurologist as soon as possible to get a proper diagnosis and treatment. 

The ailments you mentioned, such as pounding pain, sleepiness, and fatigue are normal for a concussion. Drink no alcohol and take it easy, but don't sleep now. See if you can manage to stay awake for a few hours and check your symptoms. Go to the doctor in case the symptoms become more serious. 

You might be dealing with stress, maybe too much strain or not enough rest. The human body reacts to stress in such a way that all these things can happen. To feel better, the recommended course of action is: to relax more, try to get some sleep, and practice breathing exercises or do some gentle exercises.

You should consult for a second opinion right away. Hemifacial spasm can be a symptom of another neurological condition, including an aneurysm. A ruptured cerebral aneurysm is a medical emergency that requires to be treated promptly. Speculating on life expectancy without the proper medical evaluation is inappropriate. As soon as you can, see a neurologist.