Why does my mother go into semi-coma randomly?

The type of headaches you are having, which more often than not, are very intense, with earache, dizziness, and hypersensitivity to light and sound, all symptoms suggest a likely migraine. Migraines occur when your brain is hypersensitive to the things that your body would normally be able to cope with such as stress, lack of sleep, or even something you eat. To achieve the goal of migraine control, you can use a headache diary, stay hydrated, be well-rested, and avoid the triggers. Even if the symptoms get more serious or become a major obstacle in your everyday activities, it's always a good move to seek medical advice from a healthcare practitioner. 

You seem to be feeling tired, and unable to focus, and you often have headaches. These symptoms can have several different causes, such as stress, sleep deprivation, or even nutrient deprivation. To improve your cognitive ability, try to sleep, drink water, and eat a diet that contains all the vitamins and minerals. It is all about getting sleep and staying hydrated. Taking short breaks in between study times is helpful too. If these symptoms do not leave you alone, then I advise you to consult a doctor for a complete assessment. 

It's great to hear that you got through Wernicke-Korsakoff with minimal issues. Don't worry; you're not limited to just 8 years. Wernicke-Korsakoff affects memory and brain function, causing symptoms like confusion, vision problems, and walking difficulties, usually due to a Vitamin B1 deficiency. Treatment includes B1 supplements and a nutritious diet. With proper care, you can live a long, healthy life.

Holding your breath for a long time can sometimes make you dizzy or suffocate, nevertheless, it is improbable for you to suffer from a permanent brain injury. Your brain which requires oxygen is doing well because you have been receiving good oxygen levels. If you're feeling worried, try some relaxation techniques like deep breathing or talking to someone you trust. 

If you're considering Alpha GPC to enhance your studies, proceed with caution. A safe daily dose for a 19-year-old is 300-600 mg, but it's best to start with a lower dose for a few days to see how your body responds. While Alpha GPC may improve cognitive function, remember to maintain a balanced diet, stay hydrated, and get enough sleep for overall health and focus.