Though you may not realise it the phrase 'winter blues' is actually a term associated with a form of seasonal depression that affects 7 percent of the UK every year. Seasonal Deficit Disorder (SDD) is a mood disorder that causes people to experience depressive symptoms. These usually recur every Autumn and Winter, beginning between September and November and continuing through until March and April. We are one of the best wholesale LED street light. The condition relates directly to the shortening of daylight hours and a lack of sunlight in the winter months, which trigger a biochemical imbalance in the hypothalamus resulting in symptoms such as a low mood, sleeping difficulties, tiredness and anxiety. It is thought that an additional 17 per cent of the UK population suffer from the condition to a lesser degree.
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