- Older people 'do not need less sleep' http://www.independent.co.uk/news/science/older-people-do-not-need-less-sleep-1907383.html 4 comments science
- How many hours of sleep you need may depend on where you live. An analysis of sleep data and health outcomes for nearly 5,000 people in 20 countries revealed that the hours of sleep required for good health varies across different cultures. Low-sleep cultures are no less healthy. https://news.ubc.ca/2025/05/whats-a-healthy-amount-of-sleep/ 7 comments health
- Decreased deep sleep linked to early signs of Alzheimer’s disease: Older people with less deep sleep, needed to consolidate memories and wake up feeling refreshed, have higher levels of the brain protein tau. Elevated tau is a sign of Alzheimer’s and linked to brain damage and cognitive decline. https://medicine.wustl.edu/news/decreased-deep-sleep-linked-to-early-signs-of-alzheimers-disease/ 17 comments science
- Research shows that people in good physical shape are less likely to need a sleeping pill prescription. The beneficial effect of exercise is stronger for men, who have a 15% lower risk of needing drugs for troublesome sleep issues but also women can benefit from it https://norwegianscitechnews.com/2022/11/having-trouble-sleeping-try-exercise/ 28 comments science