Explainer | Can a weighted blanket help you sleep better? Research is mixed, says expert

Rhonda James was sceptical when her husband ordered a weighted blanket for her online. But five minutes after she wrapped it around her body, she passed out.

“It felt like a really big hug,” said James, a banker in Charleston, in the US state of South Carolina.

As outside temperatures grow chilly, even in Hong Kong, weighted blankets can be a popular choice to warm up. Some people say the added pressure helps them soothe the worries of the day and get to sleep faster.

But research on the effectiveness of weighted blankets is limited. Here is what to know.

Some studies have shown that weighted blankets assist in reducing stress and anxiety. Photo: Dormu

What is a weighted blanket?

Weighted blankets come with extra heft in the form of glass beads, pellets, cotton or another filling. Scientists have not studied exactly how the blankets work, but they have a few ideas.