Insomnia eating glutamine and b1 generally need at least half a month’s time to have effect, the specific time according to the severity of insomnia to decide. Insomnia is generally caused by psychological stress and other factors caused by the disorganization of the physical state, glutamine and vitamin b1 has the role of regulating the body’s nerve function, thus helping to improve the sleep condition. For patients with mild insomnia symptoms, taking glutamine and b1 can improve sleep in about half a month, while for patients with severe insomnia or even psychopathology, it usually takes longer. Because the symptoms of insomnia are often accompanied by mental stress, glutamine and b1 take longer to work. In addition, for patients with psychopathology, related medication is also needed along with Glutamine and B1. If the symptoms of insomnia are not relieved, you should go to the hospital in time to avoid delays. Drugs need to be used under the guidance of a professional physician, not self-medication.