Now may be the time to buy some blackout curtains and actually turn your phone off before bed. While exposing yourself to light during the nighttime may seem innocent, it could potentially be harmful for your health. Exposure to artificial light at night is linked to higher rates of cardiovascular disease, according to recent research published in the journal JAMA Network Open . Specifically, experts saw a greater risk of heart failure, coronary artery disease, atrial fibrillation, myocardial