Tsitsipas Regrets Using Sleep Aid Melatonin Before ‘Embarrassing’ Loss to Carlos Alcaraz Introduction Professional tennis player Stefanos Tsitsipas from Greece gave an unconventional reason for his disappointing performance during a match against Carlos Alcaraz in the quarterfinals of Roland-Garros. Tsitsipas suggests his use of melatonin may have been the reason for his loss. Background The […]