Activation of a reward-processing brain region peaks in the morning and evening and dips at 2 p.m., finds a study of healthy young men. This finding may parallel the drop in alertness people tend to feel in mid-afternoon.
Activation of a reward-processing brain region peaks in the morning and evening and dips at 2 p.m., finds a study of healthy young men. This finding may parallel the drop in alertness people tend to feel in mid-afternoon.