snoring can be symptom of sleep apnea a condition which causes you to stop breathing and in some cases even your heart to stop those who have sleep apnea feel continually tired because when they stop breathing in their sleep the brain wakes them to restart breathing usally they are not woken all the way so the person is not aware that that they have not had a sufficent amount of sleep your friend should see a doctor who can help diagnose whether or not they have sleep apnea which can cause death in some cases |