Study: Sleep deprivation linked to false confessions

“To the average person it’s inconceivable how a false confession can happen,” says Saul Kassin of the John Jay College of Criminal Justice in New York, who has been an expert witness in dozens of wrongful conviction cases. He says the suspect usually sees it as a short-term measure, thinking that when all the evidence is in, their innocence will become obvious. “They believe that in the end they won’t have to pay for the confession.”

Such a gamble is hard for juries to understand, he says, but the latest study might help. In this, 88 people did various computer tasks as part of a fake experiment, then either slept for 8 hours or had to stay awake all night. The next morning they were accused of losing all the study data by pressing the “Escape” key, something they had been repeatedly warned against.

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