5 Simple Tips to how to sleep good.

YOU SHOULD SELECT A TIME TO SLEEP.

You should sleep at (9pm,10pm,11pm) You should at least sleep 7hour.

1. Sleeping to the right is the best posture and it improves cardiac activity, it reduces dyspnea, and it reduces heart rate.
2. Set rooom temperature to 15-19celsius because our body temperature goes down when we sleep, temperatures above body temperature will interfere our sleep.
3. You should have good sleeping area. You should always change your mattress every 2 years. You should use a pillow that supports your neck, so that your head will not bend forward.
4. Make your sleeping area as dark as possible to inhibit the production of melatonin. Our system detects light through our eyelids. 
5. Use ear plug when you sleep. Its good to use it because the unexpected little noise lowers the quality of our sleep.