How Blue Light Affects You

The blue light emitted by fluorescent light bulbs, cell phones, laptops and tablets can affect your body, according to medical researchers. Here are some interesting ways (that you can use to your advantage): • More than an hour of time in front of your device can delay sleep. Exposure to all light at nighttime, but especially blue light, can disrupt your body’s natural cycle. During the day blue light can wake you up immediately upon exposure, too, so use it to your advantage by turning up your screen for 15 minutes to stay more alert if you’re feeling tired. • Blue light during the day can make you happier, but exposure to blue light at night is linked to symptoms of depression. Turn off all your devices at night to help you sleep better. • It may make you hungrier. Various studies suggest the level of the hormone in your body that makes you feel full is reduced after exposure to blue light. Have a romantic dinner by candlelight instead of in front of the TV.