Winter Depression: Secondary Diseases

The following are the most important diseases or complications that may be contributed to by winter depression:

Psyche – Nervous System (F00-F99; G00-G99).

  • Hypersomnia (“sleep addiction”) – depressive symptoms and lower daylight intake in the winter months leads to a desynchronization of the sleep-wake rhythm with typically increased need for sleep.
  • Transition to other psychiatric clinical pictures such as mania.