If you're concerned that your sleep is too shallow, you may have sleep apnea syndrome?! And it could lead to hardening of the arteries, heart failure, or high blood pressure...?!
So he couldn't breathe because 
his airway was blocked.
لهذا لم يستطع التنفُّس لأن مجراه
الهوائي قد انسدّ
Also konnte er nicht schlafen, weil
seine Atemwege blockiert waren.
No podía respirar bien 
porque se lo había tragado.
No podía respirar bien 
porque se lo había tragado.
Il avait du mal à respirer
parce que c’était obstrué.
Quindi non respirava perché 
aveva le vie respiratorie bloccate.
Então era a via respiratória que estava bloqueada.