Midnight flights, often called "red-eye" flights, are just as safe as daytime flights from a technical and regulatory perspective. Airlines and pilots follow the same rigorous safety protocols regardless of the hour, and the probability of a mechanical accident remains constant throughout the 24-hour cycle. In some ways, night flying can be safer because air traffic is significantly lighter, leading to fewer delays and less congestion on the runways and in the air. However, there are human factors that require careful management. Fatigue is the primary concern for flight crews, and strict "rest rules" are enforced by aviation authorities to ensure that pilots are fully alert during night operations. Pilots must also be trained to handle "optical illusions" caused by the lack of a visible horizon and rely more heavily on their instruments. For passengers, the main "danger" is not a crash, but rather the disruption to their circadian rhythm, which can lead to exhaustion and severe jet lag upon arrival. Overall, while the darkness adds a layer of complexity for the crew, the modern aviation system is built to handle night operations with the same level of precision as daytime travel.