Blacking out windows is less beneficial than adapting to a conventional day/night cycle when possible. Natural light improves quality of life.
“A conventional day/night cycle” (for certain values of “conventional” at least) during the summer involves waking up several hours after sunrise.
I have often benefited from recommendations for Things I Didn't Know I Wanted.
Given that Less Wrong is a community of unusually intelligent, critical, and self-improvement-focused people, I suspect we can generate a pretty helpful thread of product recommendations — perhaps even a monthly thread of product recommendations.
Rules: