In an exploration of sleep myths coinciding with International Sleep Day, Merijn Van de Laar, a sleep scientist from Maastricht University, highlights prevalent misconceptions that may negatively influence public understanding of sleep's importance. For instance, the belief that 'the hours before midnight count double' or that individuals need to sleep a full eight hours every night are among the many misunderstandings that circulate, often propagated by unreliable sources on social media. The discussion points to a significant public concern, with statistics indicating that 42% of French citizens view good sleep as fundamental to their health, reflecting a growing awareness of sleep's role in well-being. Van de Laar emphasizes a more nuanced understanding of sleep, advocating that reliance on widespread, unverified advice can lead to detrimental sleeping patterns rather than improvement. Van de Laar's insights encourage individuals to reassess their sleeping habits and beliefs, suggesting that not all common advice is beneficial. By debunking these myths, the author aims to foster healthier sleep practices, which may be more about individual needs than following generalized rules. This challenge to mainstream beliefs about sleep is timely and necessary for promoting better health outcomes in society.