Caffeine use in a Super Rugby game and its relationship to post-game sleep

Autor: Michael W. Clarke, Shona L. Halson, Ian C. Dunican, John A. Caldwell, Charles C. Higgins, Kevin Murray, Brian Dawson, Peter R. Eastwood, Maddison J. Jones
Rok vydání: 2018
Předmět:
Zdroj: European Journal of Sport Science. 18:513-523
ISSN: 1536-7290
1746-1391
DOI: 10.1080/17461391.2018.1433238
Popis: Objective: To examine the relationship between regular game-related caffeine consumption on sleep after an evening Super Rugby game. Methods: Twenty elite rugby union players wore a wrist-activity monitor to measure sleep for three days before, three days after and on the night of an evening Super Rugby game (19:00–21:00). Players ingested caffeine as they would normally (i.e. before and sometimes during a game) and saliva samples were collected before (17:00) and after (21:30) the game for caffeine concentration. Results: Compared to the nights leading up to the game, on the night of the game, players went to bed 3 h later (23:08 ± 66 min vs 02:11 ± 114 min; p
Databáze: OpenAIRE