Hypomania is a psychological condition that is similar to but less severe than mania and is characterized by symptoms of increased activity, racing thoughts and decreased sleep needs, according to MedicineNet. Hypomania sufferers experience feelings of grandiosity and elevated moods.
People with hypomania tend to need very little sleep, are unusually cheerful, and may exhibit an elevated sense of power and creativity, explains MedicineNet. They may also suffer from judgement impairment. Hypomania is a difficult disorder to diagnose clinically since it may mimic happiness and elation. However, it is a form of bipolar disorder, and hypomanic individuals are at an increased risk for depression and suicide.