If you're not using a sleep mask you should And if you're looking for best one it's thishttps://www.amazon.com/Sleep-Mask-Design-PrettyCare-Sleeping/dp/B019JY9BO8 …
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Not how it works typically for cheap no-IP goods like this
Yes, I know. I'm saying worrying about the cost is a (really bad) false economy. The value to a knowledge worker is so great that the only relevant question here is: is it genuinely better?
