J.Jpn. Surg. Soc.. 57(3): 377-386, 1956

---

ELECTROENCEPHALOGRAPHYCAL STUDY OF INSOMNIA

In the first published report we sorted out the patterns of EEG during the whole night natural sleep of the healthy adult in terms of depth of sleep. By means of thus classified EEG patterns we attempted in the second report to determine the sleep curves of the healthy adult.
The present report deals with the sleep curves of the cases with INSOMNIA by the same method. The number of the cases is 30, which showed no organic change by thorough examinations.
The results are summarized as follows.
(1) Neither specific patterns nor any kind of pathological wave are found in the awake and sleep records.
(2) There is a definite discrepancy between the subjective complaints of ''no sleep at all" and the EEG sleep curves, i.e., those cases do sleep according to the latter.
(3) The cases who complained of lack of deep sound sleep showed more sharp up-and-downs in EEG sleep curves than those without such a complaint.
(author's abstract)

---

---

To read the PDF file you will need Adobe Reader installed on your computer.