'about a day') are normally synchronised with the light/dark cycle, enabling us to sleep, work and perform more effectively at some times of the day than at others. Most of us already have a preferred time of day for training but a little tweaking, taking

but it can also cause lack of energy and motivation, dehydration, interrupted sleep, digestion problems, disrupted bowel activity, headaches, irritability, irrational anger, loss of concentration, lack of alertness and disorientation - not what you want a few

as shattering tiredness but it can also cause lack of energy and motivation, dehydration, interrupted sleep, digestion problems, disrupted bowel activity, headaches, irritability, irrational anger, loss of concentration, lack of alertness and disorientation

training: sore muscles and joints, the occasional injury. Now add some of these symptoms to that list: disturbed sleep, a sudden drop in weight, a loss of appetite, decreased coordination, uncharacteristic clumsiness. If you've been experiencing any

tight that it cuts off blood flow. When you're sleeping elevate the injured area above the level of your heart. Reducing the blood flow to the area minimises inflammation and swelling. Gently stretch the affected area if there is no pain

that it cuts off blood flow. When you're sleeping elevate the injured area above the level of your heart. Reducing the blood flow to the area minimises inflammation and swelling. Gently stretch the affected area if there is no pain.Change is goodIf the injury