Modvigil 200mg is prescribed to promote wakefulness in people with conditions such as narcolepsy, shift-work sleep disorder, and sleep apnea–related residual sleepiness. Its primary benefit is reducing excessive daytime sleepiness so patients can stay alert and function more effectively during work, study, or daily activities. Many individuals experience improved concentration, better cognitive endurance, and reduced fatigue. The effects are generally smoother than those of traditional stimulants. However, Modvigil 200 should only be taken under medical supervision, as it can cause headaches, anxiety, insomnia, or interactions with other medications. It is not intended for casual or non-medical use.