Alpha wave brain activity, which has a frequency of 7-13 Hertz, is the normal electrical activity of the brain; it has a frequency of 7 to 13 Hertz. Alpha wave activity during sleep, which is different from alpha wave activity during wakefulness, is known to be the brain’s way of keeping people aware of signals or noises generated in their environment during sleep. Abnormalities in alpha waves can result in insomnia. Specifically, larger deviations from a population-wide standard deviation of about 1 Hz have been associated with pathological processes, such as deteriorating working memory performance, schizophrenia, Alzheimer’s disease, and addiction. Electroencephalogram (EEG) is used to measure the electrical activity that reflects both the interior activity of neurons in the cerebral cortex and the information sent to the region. Vast number of research papers were thoroughly reviewed and selected to determine whether a subject has insomnia or not, given dataset of a patient’s alpha waves.