Buy Belbien Online it is a sedative and also called hypnotic. It affects chemicals in your brain that may become unbalanced and cause sleep problems (insomnia). Belbien is used to treat insomnia. The immediate-release forms of Belbien are used to help you fall asleep. Belbien works by taking action on certain imbalanced chemicals in the brain that are causing insomnia in patients. It works by increasing the GABA effect in the CNS (Central Nervous System).