Editing Snoring (section)

===Tongue===
When sleeping on the back, gravity pulls the tongue backwards and may obstruct the airway.<ref name="mayo">{{cite web |url=http://www.mayoclinic.org/diseases-conditions/snoring/basics/causes/con-20031874 |title=Snoring Causes |date=26 April 2015 |website=Mayo Clinic |access-date=15 June 2016}}</ref> An enlarged tongue, termed [[macroglossia]], is a potential cause for snoring.<ref name="Dhingra2017" /> Obesity may result in increased tongue size.<ref name="Yaremchuk2020" /> The base of the tongue may be enlarged and cause snoring, e.g. because of a [[Oral cancer|tumor]].<ref name="Dhingra2017" />