Buy Lunesta 1 mg Online Free Delivery Every Night In the USA. Lunesta 1 mg belongs to a class of drugs known as sedative-hypnotics, which work by affecting chemicals in the brain that may be unbalanced in people with sleep problems. A typical starting dose for Lunesta is 1 mg, but it can be adjusted based on how well the person tolerates the medication. The usual dose ranges from 1 mg to 3 mg taken just before bedtime. It's important to take Lunesta only as prescribed, as it can cause drowsiness and impair coordination the next day, which can affect activities like driving.