Potential negative impacts Seasonal Affective Disorder (SAD): Lack of sunlight can lead to a form of depression known as SAD, which may cause fatigue, mood swings, and a general feeling of low energy. Vitamin D deficiency: A lack of sun exposure can result in low Vitamin D levels, which are linked to poor mood and energy. Mental and physical fatigue: Working in low light and not having daylight to break up the day can leave you feeling more tired and lethargic. Feeling disconnected: It can be ha