While blue light can give us a much needed energy boost during the day, it can also make it harder for us to sleep at night. Blue light increased their alertness not only during exposure, but for a full half hour after blue light exposure ended. A recent study found that participants who were exposed to short wavelength, high energy blue light were more productive: They were able to complete cognitive tasks more quickly, and more accurately than a control group. BLUE LIGHT CAN MAKE US FEEL MORE ENERGETIC …Įxposure to blue light during the day can give us some extra energy and make us more alert. When it came to both negative and positive emotions, the reactions of volunteers were more intense under brighter lights. They also expressed a preference for spicier chicken wing sauces and felt more strongly about positive and negative words. Overall, volunteers seated in a brightly lit room judged the character as more aggressive and the women as more attractive than those in a dimly lit room. They also asked volunteers to report how they felt about a series of positive, negative, and neutral words. In a 2014 study, researchers asked volunteers to assess the aggressiveness of a fictional person, the attractiveness of three women, and the appeal of different spicy chicken wing sauces. We may experience both positive and negative emotions more intensely under brighter lights. Here are six ways light can affect your emotions. The different kinds of light we’re exposed to can have a real impact on our emotional health and wellbeing. But if you find yourself smiling on sunny days or feeling more creative with the lights turned down low, it’s no coincidence. Most of us don’t put much thought into the way light might be affecting our mood.
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