Five Nights, Brainpower Drops 60%
7:44–8:57 · 74s
Using military studies, Dr. Bardsley reveals that just five consecutive nights of six-hour sleep can slash cognitive test scores by 60%.
7:44–8:57 · 74s
Using military studies, Dr. Bardsley reveals that just five consecutive nights of six-hour sleep can slash cognitive test scores by 60%.
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