Seasonal affective disorder is also referred to as SAD and is a form of depression that is triggered at particular times of year.

We all find habits changing with the seasons whether that be due to longer daylight hours, temperature or other reasons the seasons impact our mood and energy levels.

For individuals that experience SAD the reaction to the changes in season are much more extreme and can lead to depression and an impact on your day to day life.

When does it occur?

As with all mental health it does vary for individuals but SAD is most commonly seen occurring during the winter months.

What causes SAD to occur?

The exact causes of SAD are unclear however the following are theories about areas that could possibly influence SAD occurring:
  • Light levels
  • Low serotonin levels
  • Shorter daylight hours
  • Physical illness
  • Traumatic event