Everyone has heard the advice to not use your smartphone before going to sleep—and many of us have ignored it. In fact, you might be reading this very article while in bed. If that’s the case, it might come in handy next time someone nags you about your sleep hygiene.

That’s because a study published this summer in the journal Sleep Health suggests that adults’ nightly bedtime screen use might not be as detrimental to sleep as previously believed. While further research is needed to confirm these unexpected results, the study highlights the enduring uncertainty about the consequences of our smartphone addictions.

Bedtime screen use

The researchers investigated the self-reported bedtime screen use (using screens in bed or within an hour of bedtime) and sleep health of over 1,000 adults

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