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Fuller reasoned that man has a primary store of energy, quickly replenished, and a secondary reserve (second wind) that takes longer to restore. Therefore, he thought, a man should be able to cut his rest periods shorter by relaxing as soon as he has used up his primary energy. Fuller trained himself to take a nap at the first sign of fatigue (Le., when his attention to his work began to wander). These intervals came about every six hours; after a half-hour’s nap he was completely refreshed.

For two years Fuller thus averaged two hours of sleep in 24. Result: “The most vigorous and alert condition I have ever enjoyed.” Life-insurance doctors who examined him found him sound as a nut. Eventually he had to quit because his schedule conflicted with that of his business associates, who insisted on sleeping like other men. Now working for the Foreign Economic Administration, Buckminster Fuller finds Dymaxion working and sleeping out of the question. But he wishes the nation’s “key thinkers” could adopt his schedule; he is convinced it would shorten the war.

Intermittent sleeping was not originated by Fuller, has respectable scientific backing. Last week the Industrial Bulletin of Arthur D. Little, Inc., famed Cambridge, Mass, research firm, which published Fuller’s sleeping plan, noted a strong point in its favor: most sleep investigators agree that the first hours of sleep are the soundest. Some pro-Fuller evidence:

Photographs and electric devices to record movements show that the average sleeper, who changes position at least 40 times during an eight-hour stretch, is quietest in the first two hours, then grows progressively more restless.

At Colgate University sleep investigator Donald A. Laird found that people awakened after four hours’ sleep were just as alert, well-coordinated physically and resistant to fatigue as those who slept eight hours (but they did lose in accuracy and concentration).