In nursing school, they advice for people with upper respiratory infections to be in a slightly elevated position at the head region when sleeping. My intuition of the reason is that the lymphatic drainage to the venous arch works better; gravity helps to drain the lymph to the venous system; not only the heart. Bacterial infection of the pharynx occurs in a prolonged exposure of the concentrated lymph.
I got today exact information about exact positions to relieve the body most when sleeping:
- 5-10 % angle to relieve body most, while gravity helping to suck the lymph from the throat; can be helped with the hormone motilium (domperidone)
- more than 10 % is for other conditions
Is there any studies about the effect of elevated sleeping position on the recovery time from the upper respiratory infection?
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