All Doctor of Philosophy (DPhil) students must write an acceptable research proposal. This has a clear and explicit purpose: it makes certain that you have a worthwhile research project - you have a good grasp of the relevant literature and the major issues, and that your methodology is sound;
If the above tonic helps relieve your leg cramps, try to boost your potassium levels by eating more of these potassium-rich foods: apples, bananas, dried fruits, avocado, mushrooms, yogurt, kefir, spinach, tomatoes, mushrooms, baked potatoes and cantaloupe.
1 Get plenty of vitamin D3, magnesium, potassium, and calcium. Get tested for your blood levels of these and iron, too. Deficiencies are linked to leg cramps.  1,000 IU of vitamin D daily. The best food sources for vitamin D are herring, salmon, sardines, and fortified soy milk.