You might be suffering from stress or fatigue. When you start getting a hot and closed head and you often find yourself in a state of amnesia it might be a sign that you are tired and your brain is asking for a rest. Take breaks while studying, drink plenty of water, and give your body enough rest. 

It seems like you may have some symptoms which could mean many things. Pain everywhere, feeling bad a lot, always being worn out, and sweating at night are all signs of different illnesses. A virus infection might be one cause but so could an immune system disorder or even just stress alone. You need to see a doctor so that they can find out what is going on with you exactly--and then give feedback that is helpful for treating whatever this turns out to be.

It may be a result of a recent head injury or tension headache, among other risks. The bump could be a consequence of the pain. One of the ways that can be helpful is to put a cold pack on top of the bump. Lie down afterward for a short rest. If this still doesn't go away, it is advisable to ask for a healthcare professional's opinion for your own safety.

If your sugar, thyroid, vitamin D, and vitamin B12 are all normal, then the Satvit Plus Co Q Forte may not be the best choice for you. It is possible that you are just feeling tired due to a lack of sleep or stress. Consider getting more sleep, exercising regularly, and reducing stress. In addition, make sure you are eating a balanced diet with plenty of fruits and vegetables and avoiding processed foods. Finally, if you are still feeling tired, consider talking to your doctor about other potential causes and treatments.

You find yourself to be mentally down as a result of the treatment, which was proton beam therapy for your brain tumor. This is a natural outcome because the treatment hurts the healthy brain tissue. Some usual symptoms are fatigue, memory problems, and a problem concentrating.  Make sure you rest, eat the right foods, and keep in contact with your healthcare team. Alongside counseling, look into this support program for a solution.