My period. Can I have coffee?

During menstruation, coffee is not recommended. Because drinking coffee can promote blood circulation throughout the body, it can also stimulate the nervous system and cardiovascular system. Drinking coffee during menstruation may cause increased menstrual volume in women, or symptoms of dysmenorrhea during menstruation. Drinking coffee during menstruation may also cause some women to show breast pain, and may be more anxious or unstable. Menstruation period is recommended that women should maintain a good mood and sleep, and after drinking coffee caffeine will stimulate the brain, may make women feel very energetic and do not want to sleep, so it will affect the quality of sleep or insomnia.