المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : Bedtime 'has huge impact on sport'



BECKHAM
30-01-2015, 03:10 AM
Our internal body clock has such a dramatic impact on sporting ability that it could alter the chances of Olympic gold.

for more .... (http://www.bbc.co.uk/news/health-30957720#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)