Modafresh 200 mg is commonly prescribed for the treatment of obstructive sleep apnea. It is a medication that helps improve wakefulness in patients with excessive daytime sleepiness. This drug works by affecting certain chemicals in the brain that control sleep and wakefulness. It is important to follow the dosage instructions provided by a healthcare professional to ensure the safe and effective use of Modafresh 200 mg for obstructive sleep apnea treatment.