Postpartum depression is a real illness than affects 2 in 10 women after the birth of a child. Symptoms include:

  frequent crying
  sleep disturbances (insomnia/excessive sleeping)
  appetite disturbances
  anxiety/panic attacks
  feelings of anger/irritability
  overconcern/underconcern for baby
  intrusive repetitive thoughts or mental pictures
  reliving past trauma
  feelings of guilt and worthlessness
  feeling overwhelmed/unable to cope
  loss of interest in things you previously enjoyed
  fear of harming baby or yourself

If you believe you or someone you know is suffering from postpartum depression, there is help available.