Generations have praised the wisdom of getting up early in the morning, but a Japanese study says early-risers are actually at a higher risk of developing heart problems.
The study, conducted by researchers from several universities and hospitals in the western Japanese city of Kyoto, revealed a link between wake-up times and a person's cardiovascular condition.
"Rising early to go to work or exercise might not be beneficial to health, but rather a risk for vascular diseases," said an abstract of the study.
The study, covering 3,017 healthy adults aged between 23 through 90, found that early risers had a greater risk of heart conditions including hypertension and of having strokes.
However, the study also noted that early risers were usually older.
A separate study released in June by researchers at the University of Pennsylvania found that chronic sleep deprivation adds stress to the heart, putting a person at greater risk of cardiovascular disease and death.
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I wonder exactly how they did this study. Was there a control group of older folks that sleep late? Surely there must have been some factor that would point to the fact that early risers are not just older. Maybe there will be more details in the presentation this week.
The part about sleep deprivation is interesting in either case. Lack of sleep does strange things, not just to your body, but to your mind as well.
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