Which of the following features distinguishes mania from hypomania?
Hypomania is somewhat similar to mania, but it is less severe and less debilitating than true mania. As such, hypomania is defined as an elevated mood during which (1) no hospitalization has ever been necessary, and (2) no state of delusional or other psychotic thinking ever coincided with the elevated mood. Hypomanic and manic states must cause impairment of normal functioning to be considered pathologic states.