Human: I've recently heard that snoring is a sign of a heart attack. Is that true? Assistant: 
Yes, it's true. Snoring can be a symptom of a number of conditions, including sleep apnea, which is a condition where the airway is blocked during sleep and breathing becomes difficult. If you have symptoms such as shortness of breath, chest pain or discomfort, palpitations, fatigue, morning headaches, or excessive daytime sleepiness, you should see your doctor for further evaluation.