Scientists now believe that, when you’re extremely tired, simply believing that you’re well rested can improve your cognitive skills. Whether these scientists were working with fathers who have been kept up all night by screaming kids remains to be seen.
The next time baby’s wailing keeps you up all night, give yourself a dose of “placebo sleep.” A new study suggests that your brain will perform better if you stop reminding yourself how tired you are and start believing you’re well-rested. That’s right: Just thinking you enjoyed a good night’s sleep is actually enough to improve your cognitive abili…(yawn)…ties.
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