Wearing blue light blocking glasses every evening for a week might help healthy adults fall asleep a little faster and wake up less during the night.

46

Pro

0

Against

Evidence from Studies

Supporting (1)

46

Community contributions welcome

46

Effect of evening blue light blocking glasses on subjective and objective sleep in healthy adults: A randomized control trial.

Randomized Controlled Trial

Human

2021 Aug

The study found that wearing blue light blocking glasses in the evening helped people fall asleep slightly faster and wake up fewer times during the night, based on what they reported. This matches the claim.

Contradicting (0)

0

Community contributions welcome

No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Effect of evening blue light blocking glasses on subjective and objective sleep in healthy adults: A randomized control trial.

Score: 46

DOI: 10.1016/j.sleh.2021.02.004

Similar Assertions

Wearing blue light blocking glasses after 6 PM for a week doesn’t actually help healthy adults sleep longer or more soundly, according to wrist-worn sleep trackers.

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Wearing blue light blocking glasses might actually make some people sleep a little less, even though they’re supposed to help. Both how people felt and sleep tracker data showed slightly shorter sleep, but the difference wasn’t strong enough to be sure it wasn’t just chance.

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Wearing blue light-blocking glasses, using screen filters, adjusting room lighting, and managing screen time may help reduce the negative effects of blue light on your sleep and body clock — but we still need more research to be sure how well these work for everyone.

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Being around too much blue light at night, like from phones or lamps, can mess with your sleep and your body's internal clock, making it harder to fall asleep and feel rested.

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