What can do to improve my memory? You should try to get enough sleep and to avoid stress.without sleep you can't concentrate, andif you are stressed you can't think clearly. Try exercising your brain by learning a language, knitting or playing computer games A study of 200 people in the USA aged 7o to 89 found those who had been mentally active in their 50s had considerably better memories. You should also eat healthily, In fact, participants in memory competitions swear by oily fish-Avoid drinking alcohol too.