Is checking a smartphone during the night bad for sleep?

While the study showed that the brain’s responses to light unfold along different pathways, we still don’t know which zone manages short exposures. Image: OcusFocus / iStock via AFP Relaxnews

A team of American scientists observed how the brain reacts to short, intense exposure to blue light in order to determine how sleep is affected.

Smartphones are now so integral to daily life that some people take them to bed. However, several studies have shown that the blue light they emit has negative effects on health, especially sleep. A new study appearing in the journal eLife analysed the effects of short bursts of blue light on the sleep cycle.

A team of American scientists observed how the brain reacts to short, intense exposure to blue light in order to determine how sleep is affected.

Smartphones are now so integral to daily life that some people take them to bed. However, several studies have shown that the blue light they emit has negative effects on health, especially sleep. A new study appearing in the journal eLife analysed the effects of short bursts of blue light on the sleep cycle.

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