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مشاهدة النسخة كاملة : Why does your body jerk just before you fall asleep?

ahlam1399
12-08-2017, 01:55 PM
http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBGgsHo.img?h=100&w=100&m=6&q=60&o=f&l=fAka 'hypnic jerks'

أكثر... (http://www.msn.com/en-in/health/wellness/why-does-your-body-jerk-just-before-you-fall-asleep/ar-BBGhLaB?srcref=rss)