You know that some people are lazy to do exercise right? Even the exercise is really important for your health, your body, and your life. Healthy lifestyle is not just about eat healthy food, exercise is also important if you want to start having a healthy lifestyle. You can find in Cambridge dictionary the definition of exercise is physical activity that human do to make their body strong and healthy. There are many activities that you can do and counted as an exercise. Did you know that not exercising can make it difficult for us to sleep well at night? This is one of things that what I want to mention here. And I want tell about the effect, what will happen if we don’t exercise.