If you skimp on sleep, ghrelin levels rise, making you hungry, and leptin levels dip, which signals a need for calories.

如果你克扣了睡眠时间，胃促生长素水平升高，使你饥饿，并且消瘦素下降，标志着需求热量。

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Making ever more complex and power-hungry processors to obey Moore's Law just limits how many chips you can fit in a given space, he said.

ENGADGET: ARM chief tosses Moore's Law out with the trash, says efficiency rules all