Abstract
In order to examine the sleep disorders, in twenty-six patients under a program of self-care, this study was investigated the analysis of the specific change of electrocardiogram during the sleep onset. The results were also correlated with the questionnaires about sleep.
Consequently, the results were summarized as follows.
1) Feelings of sleeplessness and dissatisfaction about sleep were 26.9%. Such patients were significant differences in sleep onset time in the night. They also had a specific tendency to feel that the plenty of time was required until the falling asleep and therefore it was not enough to sleep.
2) On the electrocardiogram, the time which stabilize the heart rate was 22.8±21.5 min. aftersleep onset. This stabilized time of the heart rate was clearly indicated a specific correlation with the subjective time of falling asleep. Some patients that appealed the sleeplessness and dissatisfaction about sleep showed the extreme delay of time until the stability of the heart rate. Such cases also indicated the negative correlation sleep period time with awaking time.
3) In some case of the patients which required more than 20 min. until the stability of the heart rate, frequent awaking during the night and dream were tend to increase in the study.
4) It was not clear that the correlation the appearance the arrhythmias during before and aftersleep onset and sleeplessness with dissatisfaction about sleep.