1. Scenarios
2. Health — the path to success
3. Tips for a healthy lifestyle
4. Get some sleep

Lack of sleep makes you feel tired and angry. Lack of sleep can cause physiological problems (especially heart problems). Studies show that an adult needs eight hours of sleep a night. But everyone is different and the need for sleep can vary from 6-10 hours. If you feel sleepy between 4:00 and 6:00 p.m., you are probably not getting enough sleep.