Happy World Sleep Day
The world loses hundreds of billion a year as people lack sleep. For instance, America loses US$411 billion a year.
Labels: People lacking sleep.
posted by Tan Seng Giaw @ 3/17/2017 11:27:00 PM
The world loses hundreds of billion a year as people lack sleep. For instance, America loses US$411 billion a year.
Labels: People lacking sleep.
posted by Tan Seng Giaw @ 3/17/2017 11:27:00 PM
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