How Exposure to Light at Night Impacts Your Mental Health

If you leave your television on and browse your cellphone at night, while spending most of your day indoors, your mental health could be at risk.

STORY AT-A-GLANCE

• 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 majo…