Mar 22, 2026Oura Mindfulness RCT: Better Sleep Scores, Weak ProofA 10-day Oura mindfulness RCT improved ring-measured sleep and HRV, but a waitlist control and wearable limits fall short of proving a physiological benefit.mindfulnesssleep efficiencyheart rate variabilityRead article →
Mar 22, 2026Can Walking While Thinking Improve Deep Sleep? Early DataA small trial found low-intensity dual-task walking raised NREM delta power in older women. What the result means—and what it cannot prove.deep sleepnrem delta powerlow-intensity walkingRead article →
Mar 22, 2026Night Shift Work, Cancer Risk, and What the Evidence Can ProveNight shift work is an IARC probable carcinogen. Examine the cancer evidence, circadian mechanisms, and the data gaps that still limit policy.night shift workcircadian rhythmcancer riskRead article →
Mar 22, 2026Light at Night and Cancer: Why the Estrogen Theory Falls ShortOutdoor light at night has been linked to several cancers, but a large endometrial study challenges the simple melatonin-estrogen theory.light at nightmelatonincircadian rhythmRead article →
Mar 20, 2026Acupuncture for Insomnia: What PSG Sleep Data Really ShowsA PSG-only meta-analysis found acupuncture improved sleep continuity in primary insomnia, but bias, dose, and CBT-I comparison gaps remain.acupunctureinsomniapolysomnographyRead article →
Mar 20, 2026After TBI, CBT Has the Best Sleep Evidence So FarA 2026 network meta-analysis found CBT improved three sleep measures after TBI, while drugs showed no advantage over control.cbt-iinsomniatraumatic brain injuryRead article →
Mar 18, 2026Can Personalized Light Timing Improve Sleep in Parkinson's?A Phase 2 Parkinson's trial found better deep sleep with chronotype-timed light. Why timing may matter as much as spectrum—and what remains unproven.light therapycircadian rhythmmelatoninRead article →
Mar 18, 2026Night-Shift Sleep: Melatonin vs. Evening Bright LightNight-shift sleep: when melatonin, evening light, and sleep timing may help—and why fast rotations make full circadian adaptation unlikely for workers.melatonincircadian rhythmshift workRead article →
Mar 18, 2026Blue Light, S-Cones, and the Real Limits of Sleep GlassesDo blue-light glasses miss part of the circadian signal? Human studies put melanopsin first, but the S-cone question and real-world payoff remain unsettled.blue-light glassesmelanopsincircadian rhythmRead article →
Mar 18, 2026Can Blue-Enriched Light Reset Your Circadian Clock Faster?Blue-enriched light sped night-shift clock adjustment in a submarine simulation, but phase-advance trials and real-world field studies temper the promise.circadian rhythmblue lightmelatoninRead article →
Mar 18, 2026Shift Your Body Clock: Amber Glasses vs. MelatoninCan you shift a delayed body clock without a lab test? Evidence on 0.5 mg melatonin timing, amber glasses, sleep onset, and limits.melatonincircadian rhythmdlmoRead article →
Mar 17, 2026Mediterranean Lifestyle and Sleep Apnea: What Lasts Beyond Weight LossA Mediterranean lifestyle improved metabolic health after sleep apnea treatment. Here's what MIMOSA found, where weight loss fits, and what remains unknown.sleep apneacpapmediterranean dietRead article →