Rozerem 16 mg medication is also FDA-approved medication for those who suffer from insomnia. Your healthcare has recommended a dose of medication according to your health condition, age, gender, etc.Do not take a tablet of this medication unless you have time for a full night's sleep that lasts at a proper time like 7-8 hours for sleep. It comes with other variants like Rozerem 8 mg which is guided by your healthcare specialist during medication.