Light Therapy Box: Blue LEDs combat the Winter Blues

摘要

During the winter many people suffer from Seasonal Affective Disorder (SAD), which is commonly known as the winter blues. With the help of blue light these symptoms can be reduced. The blue-light generator described here has a built-in timer and is perfect for this task. When the days become shorter after the summer months many people start to feel fatigued. This could manifest itself as anything from a slight tiredness to heavy depression. The most noticeable symptoms are lethargy and problems with eating and sleeping.