The bright side of sports: a systematic review on well-being, positive emotions and performance.

Objective: The objective of this study is to conduct a systematic review regarding the relationship between positive psychological factors, such as psychological well-being and pleasant emotions, and sports performance.

Method: This study, carried out through a systematic review using PRISMA guidelines considering the Web of Science, PsycINFO, PubMed and SPORT Discus databases, seeks to highlight the relationship between other more 'positive' factors, such as well-being, positive emotions and sports performance.

Settings: The keywords will be decided by a Delphi Method in two rounds with sport psychology experts.