Modalert 200mg contains Modafinil – an FDA-approved nootropic that is effective and reliable, well known for producing a range of positive cognitive effects. It is mainly used to help conditions like narcolepsy, obstructive sleep apnea/hypopnea syndrome (OSAHS), and shift work sleep disorder (SWSD) caused by other medical problems. Modalert 200mg It keeps turning specific neurotransmitters in the mind that each control the cyclical nature of a sleep-wake cycle, thus interrupting too allow individuals to be awake and intellectually sharp throughout the day.