Belbien 10 mg hemofarmis a sleep medicine developed for people with insomnia. It is used to treat insomnia or sleep disorders. It works on two methods of action. This drug is used to treat obstructive sleep apnea. It works by decreasing the levels of help neurotransmitter norepinephrine in the brain. It also prevents the release of other neurotransmitters like serotonin and GABA, which are important for normal sleeping pattern. The effect lasts for two to three hours, after which the patient needs to take Zolpidem again to make sure that it works well.