Effects of sex, residential area, and age on the seasonality of insomnia-related symptoms: a detailed re-analysis of the longitudinal data of Japanese community residents.
Kizuki; Kaneko; Taniguchi; Furihata; Yoshita; Arai; Yoshiike; Uchiyama · 2026 · Sleep and biological rhythms
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
We previously found that seasonal changes in sleep duration were affected by sex, residential area, and age in Japanese community residents. This study aimed to determine whether these factors also affect the seasonality of…
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Metadata source: PubMed · DOI 10.1007/s41105-025-00621-9