Lampe

*836 I.

INTRODUCTION

Appellants Michael Lampe and Karen McNair appeal the trial court's order denying class certification of their wage and hour claims against Queen of the Valley Medical Center (QVMC). The trial court concluded that individualized issues predominated and the claims could not be proven efficiently as a class. We conclude substantial evidence supports the trial court's findings and it did not abuse its discretion in denying class certification. We affirm.

II.

FACTUAL AND PROCEDURAL BACKGROUND

QVMC is a full-service hospital with 94 departments. Appellants Lampe and McNair are nurses employed at QVMC. McNair previously worked 8-hour shifts as an operating room nurse, and in 2011 she became a relief charge nurse. As a relief charge nurse, she determines when to provide meal breaks for the nurses she is supervising. Lampe works 12-hour shifts in the mother-child services department.

A. Appellants' Fourth Amended Class Action Complaint and Motion to Certify Class

Beginning in 2011, appellants filed multiple versions of their complaint in this action in three different counties. The current complaint is the fourth amended class action complaint filed in Napa…