ENT Definition of sleep apnoea A >10 apnoeas during 7 hours of sleep B >30 apnoeas during 7 hours of sleep C >10 apnoeas during 2 hours of sleep D >30 apnoeas during 2 hours of sleep 💡 Explanation Definition of sleep apnoea ✓ Correct Answer: B. >30 apnoeas during 7 hours of sleep