Placebo sleep can help your brain work better: study
HealthJan 24, 2014
Just thinking you had a good night’s sleep can improve your cognitive abilities, a new study has suggested. The study, led by researchers at Colorado College, found that those who were told they’d had a good night’s sleep, even if they hadn’t, outperformed those who were informed they’d slept badly. The researchers told 164 participants that a new technique, which in fact does not exist, could measure their sleep quality from the night before. They were randomly assigned to two groups -- “above