Sleep is a important part of a person’s lifestyle, Sleep is a reboot of our system that helps iyr body to function better. Excessive daytime sleepiness is a condition where a person tends to fall asleep during the daytime and its is associated due to narcolepsy, obstructive sleep apnea and shift work sleep disorder. There daytime sleep disorders can disrupt the sleep cycle and makes a person have fatigue and lazy. There are certain medication that helps in the treatment of excessive daytime sleep disorders, and one of the most effective medication is Modafinil. It has an onset action that works within 30 minutes. Get more information about Modafinil in the website of Health Matter.