Getting a good night’s sleep is considered essential for better physical and mental health. Many studies have confirmed that people who do not get enough sleep during the night are at increased risk of many serious health problems. According to health experts, along with getting enough sleep, the way and in which environment we sleep, its effect on health has also been seen. If the environment of your bedroom is not right, then not only can it disturb your sleep, but it can also have a negative effect on the body.

A team of scientists researching the effect on health of the need and quality of sleep has made a big claim related to this. Journal PNAS In the study published in the study, researchers have told that if you have a habit of sleeping with the lights on at night, then it can harm your health. Even moderate levels of light during sleep can make you sick, not only that it also increases the risk of heart diseases. Even the light of night light can be harmful for you. Let us know how light can have a negative effect on health while sleeping?

Effect of light on health at night

According to researchers from Northwestern University in the US, keeping the room dark while sleeping is considered a good option for your health. Low light can also damage cardiovascular function during sleep and increase insulin resistance the next morning. In such a situation, it can promote both heart and diabetes diseases. Along with getting good sleep, the bedroom environment also affects your physical and mental health.

Adverse Effects on Cardiovascular Function

During the study, researchers found that exposure to moderate light during the night also increased the activity of the body. This condition also greatly increases the heart rate, the rate of contraction of the heart, and the rate at which oxygen-rich blood flows through the blood vessels. Since the body is in an unconscious state during sleep, these increased movements can have adverse effects on cardiovascular function. Moderate lighting of the bedroom at night can also increase the risk of heart diseases in you.

blood sugar problem

Along with the heart, the effect of light on insulin at bedtime was also observed. The investigators found that people who slept in dim light had increased insulin resistance in the morning.

Insulin resistance is a condition in which muscle and liver cells do not respond well to insulin. In this condition, glucose from the blood is not used properly for energy, due to which the level of blood sugar increases. That is, even light light while sleeping at night can increase your risk of heart disease and diabetes.

Keep a conducive environment while sleeping

Daniella Grimaldi, a professor in the Department of Neurology at Northwestern University, says that even when you are asleep, the autonomic nervous system remains active. It is generally considered good for health to have a normal heart rate during the day and low during the night, but its increase while sleeping can cause problems for you. All people should keep the room environment conducive to sleep while sleeping at night.


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