sleep apnoea: sleep apnoea can last up to a minute or more. In severe cases it may occur multiple times at night. During it there is usually no sound, which is noticeable if the person has been snoring previously. However, sometimes you may hear them choking. Scientists say that the risk factors in this medical illness include of the age and obesity in men.Sleep apnoea occurs when the walls of the throat come together during sleep, which causes the throat to block off the upper airway. Breathing then stops for a small period of time, until their brain registers that the lack of breathing or a drop in oxygen levels and sends a small wake-up call. The sleeper rouses slightly, opens the upper airway, typically snorts and gasps, then drifts back
