Association between fermented food consumption and sleep quality under psychological stress: database.

A prospective cohort questionnaire-based study was conducted online on a group of medical students from the Medical University of Lodz, Poland that were under exam stress. The participants were asked to provide information regarding their health and sleep quality in the last week before the exam. During the four days before the exam, the participants were recording consumption of various types of food and beverages, including fermented food. All data collected through the surveys is provided in this database.

本研究为一项基于前瞻性队列设计的在线问卷调研，研究对象为波兰罗兹医科大学（Medical University of Lodz）正处于考试压力下的医学生群体。研究要求参与者提供考试前一周内自身健康状况与睡眠质量的相关信息；在考试前的四天内，参与者需记录各类食物与饮品（包括发酵食品）的摄入情况。本数据库收录了本次调研收集的全部数据。