Sleep Apnoea is a breathing disorder in which the throat muscles relax to the
extent of collapse, leading to the cessation of breathing during sleep for a
period of at least 10 seconds.
These episodes of respiratory arrest can produce, among other effects, a
reduction of oxygen levels and increase of carbon dioxide levels in the blood
which, in turn, can trigger other problems such as increased work for the heart
and high blood pressure.
When you involuntarily stop breathing, the respiratory control centre in the
brain sends an activation signal to wake you up just enough to get some air and
breathe again. Then, you fall asleep ... Read more