4. do not drink coffee for less work and sleep mode when several consecutive nights, although กาเฟอีน allows the body to the brain awake but relaxed time to enhance the recognition,
4. Do not drink coffee to overdo it works. And lack of sleep for several nights, although caffeine helps the body actually awake. The brain needs time to rest in order to enhance awareness.
4. Don't drink coffee to overdo work and sleep for several nights, although caffeine helps the body to awake. But the brain needs time to relax to enhance perception.