Medicine: Head-First Habit

Shrewd Professor Donald Anderson Laird of Colgate University who, besides pursuing a scientific study of sleep, is consulting psychologist to the Order of Sleeping Car Conductors, recently asked the American Medical Association the following question:

"Is there a rational physiological explanation for having a Pullman passenger's head in the direction of motion either for sleep or when awake? Most persons in riding on a train prefer to sit facing forward. But in sleeping in a berth the head is by choice placed toward the front of the train. In ambulances it is also routine for...

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