Sleep doesn't need comfortable bed for 'sleeping gods'
Updated: 2015-03-20 10:47
(chinadaily.com.cn)
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A Bangladeshi tomato vendor takes a nap at a whole sale market in Dhaka, Bangladesh, Feb 5, 2009. [Photo/IC] |
World Sleep Day is marked on March 21 to raise awareness of the sleeping disorders that affect so many people.
While some struggle to sleep, there are many who can sleep whenever and wherever.