Order Modafinil Olnine From USA, Modafinil is a wakefulness-promoting medication primarily used to treat excessive sleepiness associated with conditions such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. Unlike traditional stimulants, modafinil works by altering the levels of certain neurotransmitters in the brain, particularly dopamine, to promote wakefulness and alertness. Modafinil's exact mechanism of action is not fully understood, but it is believed to increase the levels of dopamine in the brain by inhibiting its reuptake. This leads to enhanced wakefulness and improved cognitive function. Additionally, modafinil may affect other neurotransmitters like norepinephrine, serotonin, and histamine, contributing to its wakefulness-promoting effects.