Mood disorders are by no means the only health condition linked to artificial lighting and screen time at night . Dim lighting at night may lead to depression , he suggests . AMA : Nighttime lighting may lead to adverse health effects . In animals , symptoms eased with a return to 8 hours of darkness .
Dim lighting at night may lead to depression , he suggests . AMA : Nighttime lighting may lead to adverse health effects . In animals , symptoms eased with a return to 8 hours of darkness .