Effects of Repeated Low-dose Caffeine Ingestion During a Night of Total Sleep Deprivation on Physical Performance and Psychological State in Young Recreational Runners

Background: Caffeine is frequently consumed by athletes to maintain alertness in conditions of sleep loss. However, the effect caffeine ingestion during total deprivation aerobic exercise remains questionable. Objectives: The present study aimed assess effects repeated intake low-dose a night on endurance performance and psychological states. Methods: Twelve recreational runners performed four test sessions double-blind randomized order after placebo or 6 mg/kg baseline (BN) three doses 2 (TSD). At each session, they completed an exhaustive run around 400 m athletics track Feeling Scale test. ANOVA with measures followed paired t-tests was used analyze data. Results: In comparison BN, TSD condition significantly impaired running (P < 0.001). On contrary, administration improved 0.001) increased feeling well-being 0.05) as compared placebo. Conclusions: Repeated effective way mitigate negative mood