Differential Time-of-Day Effects of Caffeine Capsule and Mouth Rinse on Cognitive Performance in Adolescent Male Volleyball Athletes: A Randomized Crossover Investigation. - Amor, Salma Belhaj; Dhahbi, Wissem; Bougrine, Houda; Bessifi, Manel; Geantă, Vlad Adrian; Ursu, Vasile Emil; Trabelsi, Khaled; Souissi, Nizar (Life (2075-1729), 2026)