• Question: When people experience the effects of OSA, do they wake up after feeling low on oxygen, or can it go unoticed an be fatal?

    Asked by gordonfreeman to Charlotte on 12 Mar 2013.
    • Photo: Charlotte Kemp

      Charlotte Kemp answered on 12 Mar 2013:

      @gordonfreeman, they don’t know what is actually happening overnight, but they feel really really sleepy during the day and have no energy. In severe OSA, the constant change in oxygen levels throughout the night puts the heart under more strain and so makes the person more likely to have a heart-related problem. There is also a massive risk of that person falling asleep during the day, for example, when driving…and so this could cause an accident.

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