Structured evidence table for Caffeine Sleep Randomized Trial, generated from 2 reusable source documents in the Migaku knowledge base.
| topic | claim | evidence level | citation | source |
|---|---|---|---|---|
| Caffeine Sleep Randomized Trial | The 2018 International Olympic Committee (IOC) reported that caffeine is among the five nutritional supplements whose positive effects on athletic performance are supported by scientific evidence []. | 2 | Bingol Diedhiou Azize (2026) | Comparative effects of caffeine and paraxanthine on rowing performance and sleep quality: a randomized crossover study |
| Caffeine Sleep Randomized Trial | 5 3 6 Caffeine is metabolized by the CYP1A2 enzyme, which is found in the liver and is responsible for approximately 95% of the cytochrome P450 family []. | 2 | Bingol Diedhiou Azize (2026) | Comparative effects of caffeine and paraxanthine on rowing performance and sleep quality: a randomized crossover study |
| Caffeine Sleep Randomized Trial | These metabolic rates are important factors in determining both the level of benefit from the ergogenic effects of caffeine and the risk of exposure to potential side effects in athletes. | 2 | Bingol Diedhiou Azize (2026) | Comparative effects of caffeine and paraxanthine on rowing performance and sleep quality: a randomized crossover study |
| Caffeine Sleep Randomized Trial | 1 2 3 4 Various nootropic nutritional supplements are preferred by athletes to improve their physical (exercise-related) and cognitive performance. | 2 | Bingol Diedhiou Azize (2026) | Comparative effects of caffeine and paraxanthine on rowing performance and sleep quality: a randomized crossover study |
| Caffeine Sleep Randomized Trial | Its production follows the light–dark cycle, resulting in an increased production at night and a decreased production during the day. | 4 | Mahdi Nourhène (2026) | Melatonin, Caffeine, or Their Combination: Effects on Sleep, Performance, Perceived Exertion in a Placebo-Controlled Crossover Study |
| Caffeine Sleep Randomized Trial | Supplementation improved both sleep quantity and quality during the subsequent night and enhanced physical performance the following morning, including vertical and horizontal jumps (VJs, HJs) and handgrip strength (HG), and the five-jump test (5-JT) was improved []. | 4 | Mahdi Nourhène (2026) | Melatonin, Caffeine, or Their Combination: Effects on Sleep, Performance, Perceived Exertion in a Placebo-Controlled Crossover Study |
| Caffeine Sleep Randomized Trial | 9 10 11 12 13 14 15 16 17 18 19 20 Caffeine (1,3,7-trimethylxanthine; CAF) is one of the most globally prevalent psychostimulants worldwide [] and is commonly found in coffee, tea, chocolate, energy drinks, and nutritional supplements such as guarana and kola []. | 4 | Mahdi Nourhène (2026) | Melatonin, Caffeine, or Their Combination: Effects on Sleep, Performance, Perceived Exertion in a Placebo-Controlled Crossover Study |
| Caffeine Sleep Randomized Trial | N 1 2 3 4 5 6 7 8 7 Melatonin is a methoxyindole (-acetyl-5-methoxytryptamine; MEL) primarily synthesized from serotonin in the pineal gland []. | 4 | Mahdi Nourhène (2026) | Melatonin, Caffeine, or Their Combination: Effects on Sleep, Performance, Perceived Exertion in a Placebo-Controlled Crossover Study |
Source documents