Varying doses of evening caffeine ingestion have different effects on rowing ergometer performance, sleep quality, and wakefulness scores

Izzet Karakulak, Ulaş Can Yildirim, Dilara Erkan, Raci Karayigit, Ender Eyuboglu, Azize Bingol Diedhiou, Mehmet Can Gundem, Selin Yildirim Tuncer, Halit Sar, Gokmen Ozen, Fırat Akca

Journal

Frontiers in Nutrition

DOI

10.3389/fnut.2025.1659220

Publication type

Original Research

Study type

randomized controlled trial

Population

trained male rowers