Can you die from drinking too much water

Yes, you can, it's called water toxicity. It causes a shifting of fluids in your body which then causes the brain to swell.

Yes, if drinking enough water to cause hyponatremia (low levels of sodium), which can cause coma and death if not treated early.

Water intoxication from excess water causes a low concentration of sodium in the blood. Yes there have been many deaths from this

Yes, Water Intoxication (hyperhydration or water poisoning) is a potentially fatal disturbance in brain functions that.. More?