In Chen HC, Su TP, Chou P. A nine-year follow-up study of sleep patterns and mortality in community-dwelling older adults in Taiwan. SLEEP 2013;36(8):1187–1198 there was an error in the keys to Figure 1. In panels B and C, the dark/light gray boxes were reversed during the layout process. The corrected figure is shown here.
Figure 1.
The interrelated distribution between insomnia, sleep duration, and use of hypnotics among older adults. (A) The distribution of sleep duration by insomnia categories. (B) The distribution of sleep disturbance among hypnotic users. (C) The distribution of sleep hours among hypnotic users. PSQI, Pittsburgh Sleep Quality Index
The publisher regrets this error.