Check out my article on SAD's "The Winter Blues" Nov. 2007 for more information and web links. Many symptoms manifest and act as a "yellow caution light" long before folk actually begin to feel depressed or experience intense periods of sadness.
Here is a review of the SAD symptoms.
- Sleep problems
- Family / social problems
- Physical symptoms
- Behavioral problems
Light Therapy, exercise and both prescription and herbal anti-depressants have all provided relief for folk with varying degrees of symptoms.
Here is one link listed from my article in 2007.