While last-minute cramming or intense revision sessions might seem like a good way to ensure you or your family member are swotting up to the max, it can be doing more harm than good. Late nights, stress, missed meals and quick food fixes all play havoc with our ability to concentrate, absorb information and function properly. So, if you're in the midst of a revision frenzy, give yourself the very best chance with our top tips to optimise your performance.