Older brains cope better with lack of sleep, says study
A new Simon Fraser University study suggests that brains in healthy older adults may cope better with a lack of sleep than those in younger adults.
A recent study from Simon Fraser University suggests that the brains of older adults may be better equipped to handle periods of insufficient sleep compared to younger adults. The research, published in Imaging Neuroscience, examined how three hours of sleep impacted brain networks in individuals aged 20-30 and 65-75. Lead researcher Josh Neudorf found that older and younger brains responded differently to a lack of sleep, with opposite neural responses.
While connections in younger brains increased in connectivity, those in older brains decreased, promoting a more efficient overall brain function. This suggests that older brains adapt and compensate for sleep loss, potentially explaining why older adults often show fewer cognitive impairments after a night of poor sleep. However, the study emphasizes that good-quality sleep remains crucial for health throughout life, and chronic sleep loss can lead to increased risks of various health issues, including cardiovascular disease, hypertension, diabetes, weight problems, colorectal cancer, and dementia.
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