This study investigated attitudes toward daytime nap on the 470 aged people (M=73.7 years old) by two measures. One measure was 13 items-scale on an attitude toward positive effects of daytime nap (AE). Another measure was 15 items-scale on an attitude toward napping person (AP). A factor analysis confirmed that AE consists of 3 dimensions of effects of daytime nap : effects on work, physical effects, and psychological effects, and that AP consists of 2 dimensions of beliefs about napping person : belief about taboo and belief about rest. The survey results clearly show that most of the aged people have positive attitudes toward daytime nap. So far, it has been proposed that there are social pressures which inhibit daytime nap in Japanese country and that daytime nap in the aged people is harmful to their health. The results of present study were, however, inconsistency with these previous issues.