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In contrast, those who suffer from SAD report sleeping too much and eating more - especially sweets and carbohydrates. Additionally, SAD sufferers usually feel more depressed in the late afternoon and early evening. As winter winds down and the longer, lighter days of spring arrive, SAD sufferers feel better. It occurs more frequently in Northern Oregon, Washington and Canada, where there is a greater variability in the amount of light and dark during winter and summer months. Fletcher and Cox both believe that more awareness on the part of physicians and patients about SAD will result in more frequent diagnoses of the illness and more effective treatment.