Melatonin is a hormone that is produced by the pineal gland in the brain. Melatonin plays a central role in regulating sleep and circadian rhythms. Valerian root has been used since ancient times for insomnia and nervousness. Chamomile, like valerian, is a traditional herbal remedy that has been used since ancient times to fight insomnia and a wide range of other health complaints. GABA is taken to relieve anxiety and improving mood. L-Threonine is commonly used to relieve stress and anxiety. LongLife Sleep Aid was formulated to help calm you down and prepare your body for a restful night of sleep.