Sleep regularity and duration are associated with depression severity in a nationally representative United States sample.

ABSTRACT:

Background

Sleep hygiene is integral to health, and sleep regularity may be associated with mental health outcomes in addition to duration. Although sleep and depression relationships are well-studied, the relative impact of different sleep factors remains unclear. As patient-specific factors and health behaviors influence sleep and mental health, we investigated associations between sleep and depression severity considering such factors in a United States sample of adults.

Methods

Two cycles (2011-2012, 2013-2014) from the National Health and Nutritional Examination Survey were studied. Objective sleep duration (day and night), and the sleep regularity index (SRI) were calculated from physical activity monitors worn for seven days. Complex survey procedures with four-year w

SUBMITTER: Maki KA 

PROVIDER: S-EPMC12328846 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature