Modafinil 200mg is an FDA-regulated drug that is available by prescription for the treatment of narcolepsy, obstructive sleep apnea, shift-work sleep disorder and other sleep related issues that can caused excessive daytime sleepiness in patients and also can disrupt night sleep schedule. It is categorized as a wake-promoting agent in medical industry. This wake-promoting agent works by alleviating certain neurotransmitter in the brain such as histamine, dopamine, serotonin and oxytocin and helps to promote wakefulness and alertness in patients. To learn more on Modafinil 200mg, visit the website- Health Naturo.