For chronic diseases, including narcolepsy, shift work sleep disorder, or obstructive sleep apnea, Modvigil 200 tablets (modafinil 200 mg) can be administered for an extended period of time under medical supervision. Some people use it consistently for months or even years without experiencing any significant problems. Long-term safety in healthy individuals or for off-label cognitiv... https://www.smartfinil.net/product/modvigil-200/