“ People who sleep fewer than seven hours a night are nearly three times as likely to get a cold than people who average eight or more hours of sleep, ” says a report from Carnegie Mellon University, Pittsburgh, Pennsylvania, U.S.A.
” Orang yang tidur kurang dari tujuh jam semalam hampir tiga kali lebih mudah terkena flu daripada orang yang tidur rata - rata delapan jam atau lebih, ” kata laporan dari Carnegie Mellon University, Pittsburgh, Pennsylvania, AS.