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Interact."],"published-print":{"date-parts":[[2024,10,14]]},"abstract":"<jats:p>Today, millions of people worldwide play popular multiplayer online battle arena games (MOBAs) such as League of Legends. MOBAs are designed to require real-time teamwork to win games. A side effect of this is toxic behavior (an umbrella term for various negative in-game behaviors). Following Transactional Stress Theory, in this study, we consider toxicity as a coping mechanism to better deal with in-game stress that leads to anger and frustration, potentially leading to subsequent sleep problems. Therefore, we asked League of Legends players (N=212) about their experiences within the last 30 days in a retrospective survey study. Our results indicated that perceived stress was, indeed, a positive predictor of sleeping problems, and toxic behavior partially mediated this relationship. 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