While traditional sleep sacks are recommended for safe infant sleep, weighted sleep sacks are being taken off shelves due to concerns they could impair breathing and hinder a baby’s ability to roll over. pressure on a baby’s chest puts stress on the lungs and heart. That’s because the added weight could impede the up-and-down movement of the diaphragm muscle working to inhale and exhale. Breathing interference can result in lower oxygen saturation in the bloodstream, elevated heart rate, and difficulty waking up to eat. Oxygen is important for the brain and development Babies’ bones and muscles are not fully developed, and I worry prolonged use could lead to chest wall deformities, the long-term complications of which could be significant But they’re still for sale by the manufacturers. Those companies promote the weighted sleep sacks as a gentle pressure stimulation that mimics human touch and helps babies sleep soundly.
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Thursday, March 12, 2026