It is very important to stay healthy. Firstly, you should have a balanced diet. For example, you ought to eat more vegetables, fruits and avoid eating fast food. Secondly, doing exercise regularly is also a way to stay healthy. For instance, you can play volleyball, walk or go swimming every morning. Moreover, doing exercise will help you stronger, more active and prevent a lot of diseases. Last but not least, you should take enough sleep. You'd better sleep 6 to 8 hours a day because it will boost your mind in the morning and help to refresh your body.