Light exposure at night is linked to psychiatric disorders, according to the largest such study to date
More light exposure at night was linked to an increased risk of depression, anxiety, PTSD, bipolar disorder, psychosis and self-harm
Greater exposure to light during the day was beneficial and was associated with a reduced risk for major depressive disorder, PTSD, psychosis and self-harm
Exposure to high amounts of light at night was linked to a 30% increased risk of depression, while exposure to high amounts of light during the day lowered depression risk by 20%
Light at night poses significant risks to your physical health as well, increasing the risk of several chronic conditions, including obesity, diabetes and high blood pressure