From under the duvet of a bunk bed, a bleary head popped up.

在一张双层床铺位上，羽绒被下冒出一颗睡眼朦胧的头来。

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Perhaps you like to eat cheese right before bed, sleep with all the lights on, or put a pillow beneath your feet instead of your head?

或许你喜欢在临睡前吃点奶酪，睡觉的时候灯一定得都开着，或者是把枕头放在脚下面而不是头下面？

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ACTION: If sleeping on your left side doesn't help, and heartburn and indigestion are still proving a problem, prop up the head of your bed slightly, so that the upper body is higher than the stomach.

支招：如果采用左侧侧卧睡，胃灼热和消化不良却仍是问题的话，那就稍稍抬高你的床头，这样你的上半身就会比胃部略高一些。

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At hospitals large and small, raising the head of the bed for patients on ventilators, brushing patients' teeth and taking other precautions have dramatically reduced ventilator-associated pneumonia, another common and costly infection.

CNN: Unsung heroes work hard to cut hospital-acquired infections

In every room with a patient on a respirator, for instance, Monti made sure the nurse had propped the head of the bed up at least thirty degrees, which makes pneumonia less likely.

NEWYORKER: Big Med

The most celebrated CEO of the decade gets out of bed one morning, rubs his bald head and discovers the rules have changed.

FORBES: Digital Rules