Association of total energy intake, diet quality and sleep disorders in university-term female students

The aim of this study is to determine the relationship between diet quality and overall sleep quality, sleep duration, and presence of insomnia in the university-term female. This cross-sectional study was conducted on 412 female university students aged between 19 and 24 years in Turkey. The participants’ socio-demographic characteristics, anthropometric measurements, the Pittsburg Sleep Quality Index (PSQI), sleep duration and Insomnia Severity Index (ISI) and three days food intake records were taken. Healthy Eating Index (HEI)-2015 was used to assess diet quality. 64.1% of the participants had poor sleep quality and 28.4% of them were found to have insomnia. Higher PSQI scores were significantly associated with lower intakes of protein ( β = − 0.53 ± 0.08% kcal, p