ENT The sleep apnea syndrome is defined as – A 30 or more episodes of apnea during 12 hours sleep B 28 or more episodes of apnea during 7 hours sleep C 30 or more episodes of apnea during 7 hours sleep D 30 or more episodes of apnea during 10 hours sleep 💡 Explanation The sleep apnea syndrome is defined as - ✓ Correct Answer: C. 30 or more episodes of apnea during 7 hours sleep