Sonno
OHSU study finds short sleep is strongly associated with lower life expectancy across U.S. counties
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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.
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.
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A new review of studies indicates that higher dietary fibre intake could enhance sleep quality by supporting beneficial gut bacteria. Researchers found lower diversity in gut microbiomes among people with sleep disorders, particularly reduced levels of anti-inflammatory bacteria. This points to potential dietary interventions, though more research is needed to confirm causality.
Una notte di sonno scarso può lasciare esausti e disturbare le abitudini alimentari, ma l'esperta Mariel Silva consiglia di non auto-incolparsi e di dare priorità al riposo. Gli squilibri ormonali aumentano la voglia di cibi malsani. Concentrarsi sulle abitudini per migliorare il sonno notturno è essenziale.
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Researchers have pinpointed five types of sleep patterns among young adults, each associated with specific mental health issues and brain activity differences. The study highlights how sleep disturbances, aid use, and short duration connect to cognition, emotions, and behaviors. These profiles offer new insights into sleep's broad impact on well-being.