一夜好眠
The secret to better health might be found in sleep
by Pamela Osment
Did you get a good night's sleep last night? If you answered "No," you might be at risk for a number of problems.
A healthy heart Studies show that if you sleep seven to nine hours a night, your heart stays healthier. While you're asleep, your blood pressure normally drops 10 to 20 percent, giving your heart a rest. Less sleep may lead to high blood pressure and an increased risk of heart disease.
A healthy heart Studies show that if you sleep seven to nine hours a night, your heart stays healthier. While you're asleep, your blood pressure normally drops 10 to 20 percent, giving your heart a rest. Less sleep may lead to high blood pressure and an increased risk of heart disease.
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危險；風險 - pressure KK: [
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正常地 - drops KK: [
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下降 - increased KK: [
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增加 - disease KK: [
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疾病
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