Randomized, controlled trial finds that weighted blankets are safe and effective — ScienceDaily

Weighted blankets are a safe and effective intervention in the treatment of insomnia, according to Swedish researchers who found that insomnia patients with psychiatric disorders experienced reduced insomnia severity, improved sleep and less daytime sleepiness when sleeping with a weighted chain blanket.

Results of the randomized, controlled study show that participants using the weighted blanket for four weeks reported significantly reduced insomnia severity, better sleep maintenance, a higher daytime activity level, and reduced symptoms of fatigue, depression and anxiety. Participants in the weighted blanket group were almost 26 times more likely to experience a decrease of 50% or more in their insomnia severity compared with the control group, and they were nearly 20 times more likely to achieve remission of their insomnia. Positive results were maintained during a 12-month, open follow-up phase of the study.

“A suggested explanation for the calming and sleep-promoting effect is the pressure that the chain

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