Alpha brain waves do not harm the brain and are normal brain waves. Normal brain waves include delta brain waves, beta brain waves, alpha brain waves, and beta brain waves. Alpha brain waves occur mostly when awake, with eyes closed, and during quiet rest. At this time the person feels relaxed and has a tendency to think about sleep. Alpha brain waves can be seen on EEG monitoring and are one of the normal brain waves in humans and are generally not harmful to the brain. There are some people who lack alpha brain waves, which is also normal, not harmful to the body or brain, and is an individual variation. Alpha waves and alpha brain waves belong to two different concepts. The human body will have some inherent frequencies, when there are alpha waves and other infrasound waves acting on the human body, it is easy to cause the resonance of the organs, resulting in physical discomfort. Patients are advised to seek timely medical treatment when discomfort occurs.