Therefore, the researchers recommend avoiding using the phone device 30 minutes before bed.
Many people have a habit of working at night, looking at their phone or laptop before sleeping, which greatly affects their health.
A study published in the Proceedings of the Us National Academy of Sciences said that more than 20 young people participated in the experiment to sleep 2 nights continuously with dim light – 3 lux, the other half had a night with brighter light – 100 lux.
The results showed that people who slept in front of bright screens were at risk of facing a range of health problems.
Accordingly, under bright light such as phone screens or laptops, the reaction system will enter the body to make the heart rate faster and reduce the ability to use the hormone insulin to convert blood sugar into energy.
