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Written By: Admin | Published : September 9, 2012 2:56 PM IST
Sleep apnoea (apnea in American English) is a sleep disorder characterised by abnormal breathing. They can be classified as obstructive, central or mixed sleep apnoea. Obstructive sleep apnoea (OSA) is caused by a blockage in the airway and is usually characterised by snoring. Various studies have linked OSA to heart diseases, hypertension, stroke, diabetes, depression and obesity. On the other hand central sleep apnoea is usually characterised by low breathing which can indicate less blood flow. This leads to a drop in blood oxygen which causes seizures, angina, heart attacks and even death.