Modvigil 200mg is a drug that improves wakefulness. Modafinil has an extended half-life than most other drugs. It can last for 12 to 15 hours. Modafinil metabolism may be affected by genetic predispositions or kidney health. Scientists still have to understand how Modafinil functions. Modafinil has the potential to affect many neurotransmitters including norepinephrine and…