There are different types of bipolar according to the medical of mental science. There is bipolar I and II, rapid cycling, mixed bipolar, cyclothymia, and bipolar spectrum. These have different symptoms and in accordance to these symptoms they have been divided. You have mania symptoms which are excessive happiness, excitement, irritability, restlessness, increased energy, less need for sleep, racing thoughts, high sex drive, and a tendency to make grand and unattainable plans.You also have depression symptoms which are sadness, anxiety, irritability, loss of energy, uncontrollable crying, change in appetite causing weight loss or gain, increased need for sleep, difficulty making decisions, and thoughts of death or suicide. These symptoms will vary according to the type of bipolar you are suffering from.