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Most children with autism spectrum disorder (ASD) experience difficulty falling asleep and frequent night wakening, which lead to reduced sleep duration. Weighted blankets have been purported to promote calming, relaxation, and sleep quality; under a theory of sensory integration, deep pressure with constant proprioceptive simulation reduces arousal and improves sleep.
This randomized, controlled, crossover study enrolled 67 children (mean age, 9 years) with clinically confirmed ASD and sleep disturbance (on 3 of 5 nights, >1 hour delayed sleep and/or <7 hours of continuous sleep). The child used a weighted blanket or a control, usual-weight blanket for 2 weeks before being crossed over to the other arm. Sleep-onset latency and total sleep t…