It turns out that sleep  is also crucial for your brain, with a fifth of your body's  circulatory blood being channeled to it as you drift off.
وادیاره خەوتن بۆ مێشكیش زۆر گرنگه، كه پێنج یەكی سووڕی خوێنی جەسته لەكاتی خەوتندا دەبێت.