What other natural herbs are similar to passionflower?

Herbs similar to passionflower include valerian root, known for its calming effects and use in sleep aids; lemon balm, which has mild sedative properties and can help reduce anxiety; and chamomile, often used for relaxation and sleep support. Additionally, kava is another herb used for its anxiolytic effects, though it should be used with caution due to potential side effects. These herbs share similar applications in promoting relaxation and alleviating stress.