go to bed early
regularly diat
do some sports every day
eat breakfast
drink more white water less sweet drink
keep away from shinng things

It's very important for us to keep in good health.A strong body will full of energy to do all the works and we won't get ill so easy.However,We need have a healthy lifestyle and eat a balanced diet.We should do more exercise and sleep for 9hours everyday.We should eat more vegetables and fruit.Don't sleep too late and get up so late.For our body,we will have fit.