How does excessive screen exposure affect sleep quality?

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How does excessive screen exposure affect sleep quality?

Asked on Dec 08, 2025

Answer

Excessive screen exposure, especially before bedtime, can negatively impact sleep quality by interfering with the body's natural sleep-wake cycle. The blue light emitted from screens can suppress melatonin production, making it harder to fall asleep and stay asleep.

Example Explanation: Excessive screen time, particularly in the evening, can disrupt the body's internal clock by reducing melatonin levels, a hormone that regulates sleep. This can lead to difficulties in falling asleep, reduced sleep duration, and poorer overall sleep quality, as screens keep the brain engaged and alert when it should be winding down.

Additional Comment:

Consider reducing screen time at least an hour before bed to improve sleep quality.
Use features like "night mode" or blue light filters on devices during evening hours.
Establish a calming pre-sleep routine that doesn't involve screens.

✅ Answered with digital wellbeing best practices.

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