Blue light will not harm your eyes directly, but it may cause eye strain or disrupt your circadian rhythm making it difficult to fall asleep.
It's best to reduce your exposure to blue light a few hours before bed.
Additionally if you're experiencing eye strain when using screens, blue light reducing glasses may help.
If you don't want to pay for glasses, there are free software solutions that adjust your screen's color temperature to reduce blue light. A couple examples are `f.lux` and `Iris`.
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