Nukkuminen

A long-term Finnish study has found that inconsistent bedtimes during middle age can nearly double the risk of serious cardiovascular events. People who varied their sleep times widely and spent less than eight hours in bed faced the greatest danger.

12. huhtikuuta 2026 Raportoinut AI

Ruotsin kansanterveysvirasto on julkaissut uusia suosituksia nuorten unen parantamiseksi, sillä lähes kuusi kymmenestä teini-ikäisestä menee nukkumaan vasta kello 23 jälkeen – määrä on kasvanut merkittävästi 1980-lukuun verrattuna. Virasto korostaa myöhäisiä nukkumaanmenoaikoja ja univaikeuksia yleisiksi ongelmiksi. Ohjeisiin kuuluu ruutuaikojen vähentäminen ja fyysisen aktiivisuuden lisääminen.

New research from MIT reveals that when sleep-deprived individuals experience attention lapses, their brains trigger waves of cerebrospinal fluid to clear waste, mimicking a sleep-like process. This compensation disrupts focus temporarily but may help maintain brain health. The findings, published in Nature Neuroscience, highlight the brain's adaptive response to missed rest.

10. tammikuuta 2026 Raportoinut AI Faktatarkistettu

A new Oregon Health & Science University analysis of U.S. county data from 2019 to 2025 found that regularly getting less than seven hours of sleep per night is associated with shorter life expectancy. In the researchers’ models, the sleep–longevity link was stronger than associations seen for diet, physical activity and social isolation, and was exceeded only by smoking.

Researchers at the University of Chicago Medicine and Columbia University report that eating more fruits and vegetables during the day was associated with better sleep that night in healthy young adults. Meeting a five‑cup daily intake used to represent CDC recommendations was linked to an estimated 16% improvement in sleep quality, based on objective measures. The authors describe this as the first study to show a same‑day association between diet and objectively measured sleep.

09. lokakuuta 2025 Raportoinut AI

A night of poor sleep can leave one exhausted and disrupt eating habits, but expert Mariel Silva advises against self-blame and prioritizing rest. Hormonal imbalances boost cravings for unhealthy foods. Focusing on habits to improve nighttime sleep is essential.