On this project they have installed SAD lighting in their basement offices. These are specialised lighting which can relieve symptoms of Seasonal Affective Disorder, estimated to effect approximately 20% of the population.
Symptoms of SAD are typically experienced during the winter months when the weather is colder and there is a lack of natural light and can include low mood, sleep problems, difficulty concentrating and a lack of motivation. The workforce in their basement offices could be more susceptible to this all year round due to a lack of natural lighting underground.
SAD lamps simulate sunlight, which helps trigger the brain to release serotonin, often called the feel-good hormone. Using light therapy during periods when daylight hours are short can help adjust circadian rhythm, which is the body’s process for regulating the sleep-wake cycle.
Monitor Report. Sir Robert McAlpine. London. June 2021.
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