N. Yamaguchi et al., Comparative studies on sleep disturbance in the elderly based on questionnaire assessments in 1983 and 1996, PSY CLIN N, 53(2), 1999, pp. 261-262
We made an attempt to compare the complaints about sleep disturbance in the
elderly based on the questionnaires using self-rating scales carried out i
n 1983 and 1996. It was noted that the score of awakening frequency from th
e course of sleep was the highest of all the items in men and women in both
the 1983 and 1996 inquiries. The scores of insomnia nights per week and th
e difficulty in falling asleep were slightly higher in women than in men in
both inquiries.