Did Syrah fall asleep or die?

well it depends on how bad of a concussion you have.

You don't die because you fall asleep. A concussion is an injury directly to the brain which causes the brain to bleed from ruptured blood vessels (similar to when you get a bad bruise on your arm...

Yes.They wil breathe with their nose if they fall asleep and breathe in water instead of air and die.

The mind is what falls asleep. It cuts down on its processes, essentially sending the body into hibernation mode. The amount of adrenaline in the body decreases and somatotrophon, which helps to heal...

Generally speaking: no. However, a broken leg requires veterinary care as soon as possible.