DSM Sleep Masters
Your Guide to Restful Nights and Energized Days
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Latest Posts
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More REM Sleep, Less Disease Risk — But Nobody Measured the REM
A UK Biobank study ties more REM sleep to lower risk of 83 diseases. The stages came from wrist movement, not a sleep lab — here is what that changes.
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Bedding Prices in 2026: What the Data Actually Shows
Tariff forecasts said mattress and pillow prices would jump 10-25% in 2026. The BLS and FRED price indexes show retail bedding prices fell instead.
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SOFTGAS vs CHYNIQUE: Two Ways to Fit a High-Loft Pillow
SOFTGAS vs CHYNIQUE high-loft pillow: one puts two lofts in a single pillow, the other sells two sizes by shoulder width. Maker specs compared.
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Does Side Sleeping Cause Rounded Shoulders? A Setup Guide
Does side sleeping cause rounded shoulders? No study shows it, but a collapsed top arm can hold the shoulder forward. Here is the setup that avoids it.
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Pink Noise for Sleep: Two 2026 Studies Disagree, and the Difference Is Timing
Pink noise for sleep: MIT says timed bursts deepen restorative brain waves, a Penn trial says all-night pink noise cuts REM. What it means for your sound machine.
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Best Pillow for Lower Back Pain While Sleeping
How a lumbar support pillow eases lower-back strain in bed — why the gap at your lower back matters, how to use one on your back or side, and the Aeris lumbar pillow we use. Comfort guidance, not medical advice.