Modafinil is a prescribed medication for the treatment of excessive daytime sleep disorders, and it is FDA-approved and starts its effect within 30 minutes. It is used for the treatment of narcolepsy, shift work sleep disorders, and obstructive sleep apnea. There are certain more off-label uses, such as help in treating bipolar disorders, ADHD, weight loss, and chronic fatigue syndrome. There are certain side effects such as dizziness, nausea, diarrhea, confusion, and many more. To learn more about Modafinil, visit here.