Nighttime doping controls during the Tour de France are sparking debate regarding the appropriate times to test elite athletes. Antidoping expert Åke Andrén-Sandberg argues that disrupting an athlete’s sleep significantly impacts performance. He uses pole vaulter Mondo Duplantis as an example, stating a lack of sleep would likely lead to a diminished performance the following day. The core issue centers on whether the potential benefit of catching doping outweighs the detriment of sleep deprivation. This raises fundamental questions about fairness and the parameters of acceptable testing procedures for high-level competitors. Critics argue prioritizing rest is crucial for optimal athletic display and that these tests may be counterproductive if they compromise results. The situation highlights the delicate balance between rigorous anti-doping measures and athlete wellbeing.