, as well as calcium and magnesium which can be helpful for some insomniacs. – Linda ZackIt can be due to your body temperature being too high. Try having a cool shower after your run. – NessieChange the time you run. – Night NurseIf it's really bad, a Nytol

?Five portions of fruit and veg? What does that mean?Do runners need more vitamins? --Drinking and RunningDoes fizzy water aid calcium absorption? --Are there risks with energy drinks, gels and bars? How can I stop wetting myself? How can I stay hydrated

, swimming, and weight lifting are great most of the year, as part of low-key training months when your main goals are general fitness and injury prevention, but the heavy training month before a big race needs to be a month of living a little dangerously