He is also developing light-delivering goggles that are supposed to help people reset the circadian rhythms that govern when they nod off and wake up, so they fall asleep faster and stay asleep longer.

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All I did when they visited was cry in sympathy for their worry over me, or fall asleep, but after they left I missed them.

NEWYORKER: The Reptile Garden

They were confident it was the right way to do it, despite an utter absence of evidence. (He later showed patients generally perceive less pain if bandages are removed slowly.) When patients exhausted their daily morphine rations, sometimes nurses would give them placebo injections and they would quickly fall asleep.

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