Passiflora tincture has a calming effect, reduces anxiety, nervousness, restlessness and irritability. It is used to reduce hyperactivity in children suffering from attention deficit hyperactivity disorder. It treats mild insomnia, as it relaxes and improves sleep quality. Passionflower, due to its calming effect, may also help reduce blood pressure. It reduces preoperative anxiety without causing sedation or changing psychomotor function.