Everybody feels sad, lonely, unhappy or depressed sometimes, and they usually bounce back pretty quickly. Mild depression lasts about two weeks. It s uncomfortable.
Severe depression lasts longer.
This person believes that the depression is justified, that life really sucks. Grief is sometimes mistaken for depression. But the grieving person doesn t feel like a failure. You may be mildly depressed if you find yourself feeling irritable or easily annoyed for long periods of time. Trouble sleeping or else sleeping too much.