After a hard day's work, many people have a habit of relaxing by turning off the lights, turning on their phones, and browsing the internet before going to sleep.

However, through numerous studies, health experts have found that the blue light from mobile phone screens causes the brain to stop producing melatonin, a hormone that helps your body feel sleepy.

Therefore, it can disrupt the sleep cycle, making it harder to fall asleep and potentially causing serious health problems such as fatigue and obesity.

Here are some of the negative effects of using your phone at night:

Eye damage

Ophthalmologists believe that high stress on the retina of young people can lead to eye disorders, such as macular degeneration. In severe cases, blindness is possible. Exposure to phones at night can also cause retinal toxicity.

Using your phone at night can cause long-term dryness of the conjunctiva.

High risk of developing cancer

This can make you more susceptible to illness. According to the U.S. National Library of Medicine, a lack of melatonin may lead to a higher risk of breast, ovarian, and prostate cancer.

Increased risk of depression

Exposure to blue light affects human mood. The U.S. National Library of Medicine, citing a GigaOm report, shared that low melatonin levels in laboratory mice increased the risk of depression.

In 2012, Harvard Medical School conducted a study with 10 participants. They had night shifts that disrupted their circadian rhythms. During that time, their blood sugar levels increased, putting them in a pre-diabetic state, and their leptin levels decreased. Leptin is the substance that makes you feel full after eating.

Using your phone for too long can impair your memory.

If you can't break the habit of using your phone at night, here are some ways to reduce the negative impact on your health:

- Avoid using your phone for more than 1.5 hours before bedtime.

- Avoid lying on your side or stomach while using your phone.

- Adjust the screen brightness

- Avoid holding the screen directly in front of your eyes.

- Children should not be exposed to screens too early or for more than 30 minutes per day.

According to Zing.vn