The New York Times opinion page blames Donald Trump’s behavior on…sleep deprivation.

Sleep deprivation, we know, can make you cranky and temperamental, and throw off judgment. The severely sleep-deprived are more impulsive, less adaptable and prone to snappish decisions, and they have trouble listening to others. They miss out on essential REM time, which allows people to process emotions and events in their lives. Smaller things set them off.

“You know, I’m not a big sleeper,” Trump said last November. “I like three hours, four hours, I toss, I turn, I beep-de-beep, I want to find out what’s going on.”

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