Sleep

Does mobile phone use near bedtime negatively impact sleep?

Dr Frank Lipman
Dec 20, 2022

Did you know that mobile phone use near bedtime may negatively impact sleep and undermine healthspan?

Study Summary

A cross-sectional study found that for adults, bedtime mobile phone use influenced wake time, and increased insomnia and fatigue. For older adults using their phones at bedtime, wake time was earlier and sleep duration was shorter. Likewise, for younger adults, wake time was later and fatigue worsened. Mobile phone use near bedtime negatively impacts sleep health outcomes.

Interestingly, a study found that by reducing mobile phone usage near bedtime for 4 weeks, participants experienced a reduced sleep latency (faster ability to fall asleep), an enhanced sleep duration, improvements in sleep quality, as well as enhanced positive affect (positive emotions) and working memory (memory that plays a role in how information is processed, used and remembered).

The Hearty Take

At Hearty, we believe that modern lifestyles – with 24-hour access to technological devices and mobile phones – can disrupt sleep and lead to poorer health, well-being, and productivity. We encourage you to avoid bedtime phone and screen usage. Start small and build big – research shows that regularly avoiding mobile device usage 30 minutes before bedtime improves sleep quality.

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