TWIW 191: A cheap sleep solution

This Week In Wellness a simple eye mask has been shown to improve memory and alertness in as little as 2 nights despite not affecting sleep timing or duration.

https://www.sciencealert.com/wearing-an-eye-mask-while-you-sleep-could-have-surprising-mental-benefits

https://academic.oup.com/sleep/article/46/3/zsac305/6912219?login=true