Modafinil is a wakefulness-promoting medication primarily used to treat sleep disorders like narcolepsy, obstructive sleep apnea and shift-work sleep disorder. It is a prescription medication that has received FDA approval in 1998. Along with its prescription benefits Modafinil has some off-label benefits as well. Treating Bipolar disorder, ADHD, multiple sclerosis-related fatigue are some common off-label uses of Modafinil. It has a quicker onset action that can work within 30 minutes and its effect lasts up to 12 to 13 hours. The standard dose of Modafinil recommended by physicians is 200 mg, however it may vary from person to person depending upon their condition and response to the treatment. Take this medicine by mouth with a glass of water or follow the direction on the prescription lebel. For detailed information on Modafinil, visit here: https://healthnaturo.com/product/modafinil-200mg/