A recent study has found that sleeping for extended periods may pose health risks for individuals over middle age. Published in npj Aging, a Nature partner journal, the research was conducted by a team from Monash University in Australia, examining approximately 18,000 Chinese adults aged 45 and older over a span of nine years.
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The study revealed that individuals who slept more than nine hours a day were 1.45 times more likely to experience frailty compared to those who averaged 7 to 9 hours of sleep. Furthermore, those sleeping less than 7 hours showed a risk of frailty that was more than double.
The research team recommended a sleep duration of 7 to 8 hours as optimal for health. It is important to note that the data regarding sleep patterns was self-reported, and the authors acknowledged that prolonged sleep may be a symptom of existing health issues. Nonetheless, they emphasized the critical role sleep plays in overall health.