Morningness–eveningness correlates with sleep time, quality, and hygiene in secondary school students: a multilevel analysis
- Vollmer, C.
- Jankowski, K.S.
- Díaz-Morales, J.F.
- Itzek-Greulich, H.
- Wüst-Ackermann, P.
- Randler, C.
ISSN: 1878-5506, 1389-9457
Year of publication: 2017
Volume: 30
Pages: 151-159
Type: Article