It hardly seems like breaking news when studies show that sleep is, well, good for you. But in the amped-up 24/7 lifestyles that we find ourselves, it is useful to remind ourselves how very good it actually is and why our bodies need it. Several new studies made headlines this week. One new study shows that napping is good for your heart while not enough sleep, especially in kids, can lead to obesity and stump brain cell growth.
But how much is enough? New business trends have latched on to this very question. Napping spas are sprouting up in major sleep-deprived urban areas, while the range of sleep aids - from herbal remedies to pharmaceuticals - has boomed. One rule of thumb: if you don't feel sleepy, then you're probably getting what you need. (CN)
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