![]() As a result, your brain produces less melatonin hormones that otherwise allow you to get sleepy. When you’re exposed to light at night, your body’s circadian rhythm is thrown off. While it may seem like you don’t have time for a lot of sleep, getting the right amount - and the right quality - of nightly shut-eye will dictate your health, both in the short term and in the future. These include high blood pressure (hypertension), heart disease, and type 2 diabetes. If light continues to interfere with your sleep in the long term, you could be at an increased risk of certain chronic illnesses, whether you have obesity or not. Older adults may also be more prone to falls. ![]() This can be especially dangerous if you drive a car or other type of machinery. Not getting enough quality sleep makes you less alert the next day. This can affect the timing of your meals, too - eating late at night may lead to weight gain. Studies have shown that the less sleep you get, the more food you’ll likely eat the next day. One factor in lack of sleep-induced obesity could be food intake. Lights on outside of the room were found not to be as large of factor compared to light sources inside the bedroom. Study participants were also 17 percent more likely to gain around 11 pounds in 1 year. One study on women found that obesity was more prevalent in those who slept with a television or light on. Children who don’t get enough sleep may be more hyperactive. Blue light from electronic devices may have the worst effects on your mood.Ī lack of sleep can also cause moodiness and irritability. Sleeping with the lights on has been linked to depression. ![]() The more shallow or light sleep you get at night, the more your brain oscillations (activity) that allow you to get to deeper stages of sleep are negatively affected.Īside from conditions that directly affect your brain, a lack of deep sleep from light exposure has also been linked to the following side effects. Exposure to light during sleep makes it difficult for your brain to achieve deeper sleep.
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