I can’t say that I’m surprised.
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But now new research shows that not getting enough sleep increases the chances your mind will actually create false memories.
The study, published in Psychological Science, allowed one group of participants to get a full nights’ sleep, while another had to stay up all night (Frenda et al., 2014).
In the morning they were given a series of photos that were supposed to show a crime being committed.
Next, both groups were given some eyewitness statements about the crime.
Like many witness statements in real-life crimes, the details were different to those shown in the photographs.
For example, in one instance the photo showed a thief putting a wallet in his jacket, but in the witness statement it said he put it in his pants (that’s ‘trousers’ for British people, not his underwear!).
Afterwards, they were asked what they had seen in the original photographs.