The scientists found that “less sleep, even as little as four hours a night, didn’t significantly increase deaths for men and only lowered survival for women if they averaged less than four hours. ”
Teadlased leidsid, et „vähem und, isegi nii vähe kui neli tundi öösel, ei suurenda oluliselt surmariski meestel, ning suurendas seda vaid pisut naistel, kes magasid keskmiselt alla nelja tunni ”.