Impact of Caffeine Intake on 800-m Running Performance and Sleep Quality in Trained Runners.
Domingo Jesús Ramos-CampoAndrés PérezVicente Ávila-GandíaSilvia Pérez-PiñeroJacobo Ángel Rubio-AriasPublished in: Nutrients (2019)
The supplementation with caffeine (6 mg∙kg-1) did not improve the 800-m running performance, but did impair the SQ of trained runners.