Getting the right amount of sleep, and doing so regularly, is first on the list. It’s often missed because people focus on diet and exercise, but the link between sleep and life expectancy is supported by research.
What surprises some people is that the relationship is a U-shaped curve. This means that too little and too much sleep can affect your health. In one study, sleeping for a long duration (defined as more than 10 hours a night) was associated with psychiatric diseases and higher body mass index BMI.
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