#sleep
5 Ways Sleep Affects Your Heart Health
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Sleep length, timing, blood pressure, apnea and inflammation all connect to heart health. Five links, how strong each is, and what to do. Read more…
Sleep and Growth Hormone: What a Mouse Study Shows
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A viral headline claimed scientists found a sleep switch that builds muscle and burns fat. It was a mouse study. Here’s what it shows and what to do. Read more…
Do Wearables Help Insomnia? What a New Review Found
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A review of 16 trials found treatment wearables shorten sleep onset a little but not overall insomnia severity. Here is what to try first. Read more…
REM Sleep and Disease Risk: What the 83-Disease Study Found
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A study of 95,000+ adults linked more REM sleep to lower risk of 83 diseases. Here’s what it found, its limits, and the sleep habits worth keeping. Read more…
Mattress Firmness and Back Pain: What the Trials Show
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What one 2003 trial and one systematic review say about mattress firmness, back pain and sleep, and a few practical points for shopping. Read more…
Rhythm Before Hacks: Habits With Research Behind Them
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Before adding another supplement or tracker, try steadier timing. Here is what research shows on sleep, light, breathing, screens, and walking after meals. Read more…
