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Till Roenneberg

For Till Roenneberg's latest contributions to The Japan Times, see below:

/ Nov 26, 2012

You may need less sleep than you think, or not

If holiday shopping leaves you exhausted, a long weekend should offer an opportunity for some serious shut-eye. We spend between a quarter and a third of our lives asleep, but that doesn't make us experts on how much is too much, how little is ...