Evaluating sleep quality and daytime sleepiness in nursing students: psychometric validation of the Pittsburgh Sleep Quality Index and the Epworth Sleepiness Scale.

ABSTRACT:

Background

Sleep problems are common among nursing students, yet the psychometric performance of widely used measures remains underexamined. The Pittsburgh Sleep Quality Index (PSQI) and the Epworth Sleepiness Scale (ESS) are frequently applied to assess sleep quality and daytime sleepiness, respectively, but evidence of their validity and reliability in nursing-student populations is limited.

Aims

This study aimed to evaluate the structural validity, reliability, and convergent validity of the PSQI and ESS in a sample of nursing students.

Methods

This methodological study was conducted among 368 nursing students enrolled at a university in Cali, Colombia. The Spanish versions of the PSQI and ESS were administered. In a subsample of 87 participants, a second assessmen

SUBMITTER: Perianez CAH 

PROVIDER: S-EPMC12648899 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature