Weighted Blankets: Hugs for Sleep or Just Hype?

Weighted blankets, inspired by calming techniques used for cattle, have gained popularity for their potential to promote sleep and reduce anxiety. These blankets, filled with dense materials, are designed to provide a comforting pressure. Early research from a 2023 Swedish study indicated a 32% increase in melatonin levels under a weighted blanket, a hormone that promotes sleep.

However, subsequent trials have shown more varied outcomes. A 2024 study involving 95 adults with insomnia found only slight reductions in nighttime awakenings with heavier blankets. While both groups improved on insomnia severity questionnaires, the heavier blanket users reported a doubling in overall sleep quality improvement and greater reductions in fatigue and anxiety.

Further research in 2020 on 119 Swedish adults with insomnia and psychiatric disorders showed nearly 60% of those using heavy blankets experienced a significant reduction in insomnia severity, compared to only 5% in the control group. These individuals also reported less fatigue and anxiety. Researchers hypothesize that the blankets may mimic acupressure and increase oxytocin levels.

Despite these promising findings, a 2014 study with autistic children found no improvement in sleep duration or frequency of awakenings, though they preferred the blankets. Similarly, a 2022 trial with adults experiencing chronic pain did not reduce pain intensity ratings, but did improve broader assessments of pain severity and daily disruption. Ultimately, personal experience may be the most decisive factor.