Modalert is an effective drug for treating narcolepsy-induced drowsiness. This drug may be purchased at Nootrashop.Com. The active ingredient in the pill is modafinil. The medicine works by addressing the problem that causes excessive daytime drowsiness and shift work sleep disturbance (the inability to sleep during prescribed sleeping hours in those who work night shifts or rotating shifts). https://nootrashop.com/product/modalert-uk/