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Sleep Health

All articles tagged with #sleep health

Johns Hopkins Study Links Frequent Daytime Napping to 48% Higher Dementia Risk
health1 day ago

Johns Hopkins Study Links Frequent Daytime Napping to 48% Higher Dementia Risk

A decade-long study by Johns Hopkins researchers found that older adults who nap most days or every day face a 48% higher risk of developing dementia compared to those who rarely nap. The research, published in The Journals of Gerontology: Series A, tracked 995 U.S. adults aged 65 and older starting in 2013. While the study does not prove causation, it suggests that frequent or unintentional napping may serve as an early marker for cognitive decline rather than a direct cause.

via iHeart|
#cognitive-decline#dementia#gerontology
health8 days ago

Wearable Data Links Short Sleep to 37 Diseases, Highlights REM Benefits

A large observational study of nearly 100,000 adults found that sleeping fewer than five hours per night is associated with a higher risk of 37 diseases. Conversely, greater time spent in REM sleep was linked to significantly lower risks for conditions like dementia and Parkinson’s disease. The research suggests that a sleep duration of six to eight hours per night offers the lowest overall disease risk for middle-aged and older adults.

via SciTechDaily|
#disease-risk#health#preventive-medicine
Cannabis Use Linked to Hidden Sleep Disruption Over 35 Years
health10 days ago

Cannabis Use Linked to Hidden Sleep Disruption Over 35 Years

A 35-year study of 1,266 adults finds that both lifetime and recent cannabis use correlate with poorer objective sleep quality, including lower efficiency and higher fragmentation, in middle age. Despite these physiological disruptions, users did not report worse sleep on subjective surveys, indicating a disconnect between perceived and actual rest. The findings, published in JAMA Network Open, suggest cannabis may not be an effective long-term sleep aid.

via Neuroscience News|
#cannabis#cardia-study#health
Wearable Sleep Trackers Measure Duration, Not Brain Activity
health13 days ago

Wearable Sleep Trackers Measure Duration, Not Brain Activity

Consumer sleep trackers accurately measure total sleep duration but fail to capture brain activity or subjective sleep quality. While they overestimate sleep by roughly 17 minutes due to 'quiet wakefulness,' they can still help users identify long-term trends and improve their perception of rest, even if actual sleep metrics remain unchanged.

via The Conversation|
#apple-watch#carnegie-mellon-university#health
New Review Links Chronic Insomnia to 26% Higher Stroke Risk and Other Major Health Issues
health18 days ago

New Review Links Chronic Insomnia to 26% Higher Stroke Risk and Other Major Health Issues

A new meta-analysis published in Sleep Medicine Reviews finds that insomnia is associated with a 26% higher risk of stroke, a 28% higher risk of hospitalization, and increased risks of depression, suicide, and dementia. The study analyzed data from millions of participants across multiple countries, highlighting that poor sleep may serve as a warning sign for broader brain and mental health issues. Experts emphasize that while these findings show association rather than direct causation, persistent sleep problems should be treated seriously to mitigate long-term health risks.

via Prevention|
#cardiovascular#dementia#health
New Conference Data Links Irregular Sleep Patterns to Breast Cancer Progression
health21 days ago

New Conference Data Links Irregular Sleep Patterns to Breast Cancer Progression

Research presented at an international cancer conference indicates that disrupted sleep patterns may contribute to the development and progression of breast cancer. The study suggests that inconsistent rest triggers biological changes, including altered immune and inflammatory responses, which could elevate disease risk. While the findings highlight a potential link between sleep quality and cancer outcomes, they do not establish definitive causation. These results add to a growing body of evidence connecting lifestyle factors, such as sleep consistency, to broader health risks, including various chronic diseases and cancer types.

via NBC News|
#breast-cancer#cancer-prevention#health
Wrist Tracker Data Links More REM Sleep to Lower Risk of 83 Diseases
health25 days ago

Wrist Tracker Data Links More REM Sleep to Lower Risk of 83 Diseases

A large study of 95,559 UK Biobank participants found that higher REM sleep is associated with a significantly lower risk of 83 diseases, including Parkinson’s, dementia, and heart failure. Deep sleep also reduced risks for seven conditions, while sleeping 6–8 hours nightly offered the lowest overall disease risk. The study, published in PLOS Medicine, highlights sleep architecture as a key health indicator but notes it cannot prove causation.

via New York Post|
#cardiovascular-health#dementia#health
Sleep Duration Outperforms Diet and Exercise as a Predictor of Longevity in New US Study
health-and-science27 days ago

Sleep Duration Outperforms Diet and Exercise as a Predictor of Longevity in New US Study

A new observational study from Oregon Health & Science University finds that insufficient sleep (less than seven hours per night) is a stronger predictor of lower life expectancy than diet or exercise. The analysis, published in Sleep Advances, used county-level US survey data from 2019 to 2025. While smoking and obesity showed even stronger associations with reduced lifespan, sleep remained a significant factor after controlling for physical inactivity, employment, and education. Researchers emphasize that while the study cannot prove causation, adequate sleep is a modifiable behavior linked to critical health outcomes.

via ScienceAlert|
#health-and-science#longevity#oregon-health-and-science-university
UK Biobank Study Links REM Sleep and 6-8 Hour Durations to Lower Risk of 83 Diseases
health27 days ago

UK Biobank Study Links REM Sleep and 6-8 Hour Durations to Lower Risk of 83 Diseases

A large-scale study of 95,559 UK Biobank participants found that higher REM sleep is associated with a reduced risk of 83 diseases, while 6-8 hours of nightly sleep offers the lowest overall disease risk. Deep sleep also lowered risks for seven conditions, including type 2 diabetes, whereas short sleep and irregular patterns increased risks for various disorders. The findings, published in PLOS Medicine, highlight the importance of sleep architecture, not just duration, for long-term health, though causality cannot be established.

via Medscape|
#disease-risk#health#rem-sleep