What is the most serious sleep disorder?

Buy modalert 200, which is keeps users awake throughout the day, but how and when they take it affects sleep quality. Modafinil reduces daytime drowsiness (EDS) without disturbing nocturnal sleep when administered properly. Modalert 200 used late in the day may cause sleeplessness. A morning Modalert 200 dose is advised for optimal outcomes. Modafinil may reduce slow-wave sleep duration, altering sleep architecture, according to certain research. Most users feel rested and alert when their consumption is properly handled.