From surviving to thriving: How sleep, physical activity, and diet shape well-being in young adults.

ABSTRACT: Healthy lifestyles are a cornerstone of optimal physical health, yet their contribution to optimal mental health is still an open question. This article investigated the relationships between three key health behaviors-sleep quality, physical activity, and dietary choices-and psychological well-being among young adults ages 17-25, a demographic known for disproportionately low levels of well-being. The research used three datasets: a cross-sectional survey (Study 1, N = 1,032) and two daily diary datasets (Study 2, N = 818; Study 3, N = 236) of young adults living in New Zealand, the United Kingdom, and the United States. Multilevel regression analyses examined how these health behaviors simultaneously and synergistically predicted well-being at the between-person and within-person levels,

SUBMITTER: Cooper JRH 

PROVIDER: S-EPMC12385438 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature