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. ”
وقد وجدوا ان « النوم فترة اقل ،‏ حتى اربع ساعات فقط في الليلة ،‏ لم يزد على نحو ملحوظ الوفيات بين الرجال .‏