The impact of screens on our sleep

More people are diving into their mobile devices before sleeping, believing it to be an effective way to unwind. However, ophthalmologists warn that exposure to the blue light emitted by screens can have adverse effects on eye health and sleep quality. This habit, often considered harmless, may be causing cumulative damage to the retina, in addition to contributing to visual fatigue.

Prolonged screen use, especially in low-light conditions, not only affects our vision but can also disrupt our sleep patterns. Blue light interferes with the production of melatonin, the hormone that regulates sleep, leading to difficulties in falling asleep and poorer rest quality.

## Why it matters Understanding how technology affects our health, particularly our sleep, is crucial. Lack of adequate rest can have repercussions on our physical and mental health, impacting our daily performance and quality of life. With the increasing use of mobile devices, it is essential for users to be aware of these risks and find healthier alternatives before bedtime.

## What we know The 2018 review indicates that over 50% of screen users experience digital visual fatigue, manifested in symptoms such as dry eyes and accommodation problems. This reinforces the need to be more conscious of our digital habits and their impact on our eye health and sleep.

## What remains unclear The full extent of the long-term effects of blue light exposure on the retina and how this may influence visual health over time has yet to be confirmed. Additionally, further research is needed to fully understand the relationship between mobile device use and sleep disorders.