With enough sleep, around 6-8 hours every day. It is important to sleep soundly because when we are asleep, your body may very well fill power. Also to sleep can also remove stress of our activities today.
If you experience hard to sleeping, this may happen due to lack of exercise because you are so your body does not feel healthy and your mind becomes calm. By exercising regularly, your body will be healthier and your sleep will become more soundly.