Provigil is used to treat excessive sleepiness caused by certain sleep disorders. If you want to bring your sleep routine to usual timing then buy Provigil online which also helps to fix narcolepsy, sleep apnea, and shift work sleep disorder. However, it’s believed to work by affecting brain chemicals that regulate sleep and wakefulness. While similar to stimulants like amphetamine and methylphenidate, Provigil has a different chemical structure. Provigil is a controlled substance. Due to its potential for misuse and dependence, Provigil is classified as a federally controlled substance (Schedule C-IV). Misuse of Provigil is illegal and harmful. Always inform your health care about any history of substance abuse. The recommended dosage of Provigil for patients with narcolepsy or OSA is 200 mg taken orally once a day as a single dose in the morning. Doses up to 400 mg/day, given as a single dose, have been well tolerated, but there is no consistent evidence that this dose confers additional benefit beyond that of the 200 mg/day dose.  As it comes with different power like 100mg and 200mg of Provigil 100 mg – capsule-shaped, white to off white, tablet, debossed with “PROVIGIL” on one side and “100 MG” on the other. 200 mg – capsule-shaped, white to off white, scored tablet, debossed with “PROVIGIL” on one side and “200 MG” on the other. Provigil can cause mild or serious side effects.The more common side effects of Provigil can include like nausea, anxiety, headache, trouble sleeping, loss of appetite, dry mouth, dizziness. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. For more details on the product visit the site…!