You May Feel a Sudden Lack of Energy and Require More Sleep, Along with Feeling Depressed and Hopeless. Appetite Changes Can Also Occur If the Person Develops...
You may feel a sudden lack of energy and require more sleep, along with feeling depressed and hopeless. Appetite changes can also occur if the person develops depression. As with mania, depression can also cause irritability and restlessness. It's also possible to experience a mixed-state of mania and depression.
What body system does bipolar disorder affect?
Bipolar disorder is a disease that affects the nervous system. It causes depression and excitement episodes, and cases of insomnia are usual as well. During these episodes, called mania, changes occur in the patients' brain and body. The disease is genetic and affects 2% of the population.
Pain in bipolar disorder is not limited to the psychological pain of depression or agitation. Physical pain is also a symptom of bipolar disorder, usually in the form of muscle aches and joint pain. There are also chronic pain illnesses linked to bipolar disorder like migraines, fibromyalgia and arthritis.