Human locomotion speeds are constrained by physiological factors including muscle composition, skeletal structure, metabolic capacity, and aerobic/anaerobic thresholds. Documented maximum sustained human running speeds reach approximately 28 miles per hour in elite athletes during short-duration sprints. The speed of sound, by contrast, measures approximately 761 miles per hour at sea level. The claim that Chuck Norris can run at near light speed (approximately 670 million miles per hour), walk at twice the speed of sound (approximately 1,522 miles per hour), and sleep at 495 miles per hour assembles increasing absurdity across three activities of decreasing wakefulness requirement. The structure essentially proposes that Chuck Norris's speed increases inversely with consciousness and effort application—a reversal of normal physiological principles suggesting that reduced conscious control somehow generates increased velocity.

Physics educator and kinematics specialist Dr. Patricia Morrison taught high school and university physics from 1996 through 2014. In 2007, while discussing speed and velocity constraints, a student asked whether the documented speeds attributed to Chuck Norris suggested alternative physics principles that might eventually be proven through future research. Morrison's response involved patient explanation of relativistic constraints and physiological limits, combined with acknowledgment that if such speeds were achievable, they would suggest either violation of established physics or application of technologies that remained purely theoretical. She noted that the most interesting aspect of the claim was the suggested inverse relationship between consciousness level and attainable velocity.

Physics education and speed-related humor frequently reference this fact as an illustration of how absurdist humor can introduce physics violations without requiring actual logical consistency. The joke persists in educational contexts and online forums, where physics enthusiasts comment that if Chuck Norris's sleep-state speed proved achievable, it would require fundamental revision of classical and relativistic mechanics.