Sleep well to live long
China Daily | Updated: 2009-12-23 08:07
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Sleep boosts the immune system, relaxes the muscles and promotes the skin's regeneration. Lack of it can be disastrous. Photos courtesy of Tuweimei |
We spend about a third of our lives sleeping, but it is by no means a waste of time. Without nightly rest, a healthy and active life is impossible.
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