Check them out below what are those seven tips to improve your healthy lifestyle: 1. Answer a phone call with your left ear. 2. Never drink a medicine with cold water. 3. Avoid having heavy meals at evening after 6 p.m. 4. Drink more water in the morning and less at night. 5. The best hour to sleep is from 10 p.m. until 5 a.m. 6. Do not lay down on bed immediately after drink medicine. 7. If you only have 1 bar on your mobile phone battery status, do not answer any calls, because the radiation increases 100 times at that time.