Read Weighted blankets might ease insomnia and anxiety. Here’s what to know before buying one. (Washington Post)

If 2017 was the year of the Instant Pot, 2018 was the year to gift or get a weighted blanket — a duvetlike bed cover weighing from five to 25 pounds. Never heard of one? Neither had I, until I got this assignment. But they are a hot commodity. For example, the Gravity Blanket, which began as a Kickstarter campaign in 2017, reports $16.5 million in sales for 2018.