Sleeping with lights on can be detrimental to health, says study

by Healthnews24seven Desk

Along with a wholesome diet and regular exercise, optimal health necessitates getting enough sleep. Any decrease in sleep quantity and quality can have an impact on one’s general physical and mental well-being. Health professionals advise everyone to get 6 to 8 hours of unbroken sleep per night for this reason. However, having a comfortable atmosphere for a restful sleep is seen as being really essential. According to studies, sleeping at night with the lights off is a good habit. People who keep a light on while sleeping run the risk of developing sleep issues.

 The action of several hormones may be affected by light exposure before bed, according to health experts, which may make it difficult to have a restful night’s sleep. Researchers discovered that those who sleep with the lights on get sleep deprived. Thus, there may be a danger of a variety of health issues as a result of inadequate sleep. Here are the drawbacks of leaving the light on while sleeping.

What did the study find?

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Researchers discovered in a study on sleep quality that any type of light during sleep hinders the brain’s ability to establish deep sleep. Night-time artificial light can also have an impact on melatonin levels, a hormone that is regarded to be crucial for restful sleep. Low melatonin levels are linked to an increased risk of diabetes and cancer, among many other disorders.

According to studies, sleeping with the lights on at night can disrupt sleep. If the sleep issue persists in this form for an extended period of time, the danger of numerous chronic diseases may result. Such individuals may eventually have a much higher chance of having conditions including high blood pressure, heart disease, and type 2 diabetes. Some of the potential health risks are.


Sleeping with the lights on at night can interfere with brain function and increase your risk of long-term depression. Your mood could be negatively impacted by blue light from technological devices. Lack of sleep can also lead to irritability and mood issues. People who, for whatever reason, are unable to get adequate sleep run the risk of eventually developing depression.


According to a study done on women, those who sleep with the lights on are more likely to be obese. During the study, it was discovered that the individuals’ weight had increased by roughly 4.5 kg in a year. The brain does not receive a full night’s rest when the lights are left on while sleeping, according to research. Changes in the level of physiological hormones may cause weight gain.