Specifically, scientists from Northwestern University in Chicago (USA) have discovered that exposure to light during sleep is not good for cardiovascular function and increases the risk of insulin resistance the next morning. This increases the risk of heart disease, diabetes and metabolic syndrome, according to the sheet Express.
You should close the curtains, turn off all the lights or wear an eye mask before going to bed
Study co-author, Dr. Daniela Grimaldi, MD, working at Northwestern University, said: The results show that just one night of sleep with moderate light can impair blood sugar and cardiovascular regulation. , are risk factors for heart disease, diabetes and metabolic syndrome.
It is important for people to avoid or minimize light exposure while sleeping. Therefore, the study authors recommend closing curtains, turning off all lights, or wearing an eye mask before going to bed.
Research also shows that sleeping with the light on will increase your heart rate and easily wake you up.
Sleeping with all the lights off helps reduce your risk of heart disease and diabetes
Sleeping in a room with moderate lighting increases heart rate, says Dr. Daniela Grimaldi. Even though you are sleeping, your autonomic nervous system is still activated. Normally, heart rate along with other cardiovascular parameters will be lower at night and higher during the day.
A 2019 study of more than 40.000 women also showed similar results: Sleeping in the light of television also increases the risk of weight gain and obesity - which can easily lead to heart disease and diabetes, according to Express.
