Why Sleep Is the Secret Performance Edge Every Athlete Needs

Sleep has long been an underappreciated pillar of athletic performance, but a growing body of clinical evidence is changing that. This review from Mayo Clinic's neurology and sleep medicine divisions synthesizes current understanding of how sleep affects athletes, appearing in the August 2026 issue of Neurologic Clinics.

The authors highlight that athletes are not immune to common sleep disorders such as insomnia, sleep apnea, and circadian rhythm disturbances. In fact, the demands of competitive sport — irregular training schedules, frequent time-zone travel, pre-competition anxiety, and high physical load — place athletes at elevated risk compared to non-athletes. When these disorders go undiagnosed and untreated, the downstream effects on performance can be substantial.

The review emphasizes that inadequate or disrupted sleep impairs cognitive function, reaction time, injury risk, emotional regulation, and physical recovery — all domains critical to elite performance. Conversely, sleep extension and optimization protocols have shown promise in improving speed, accuracy, and subjective well-being in athletic populations.

From a practical standpoint, the authors advocate for routine sleep screening in athletic medicine settings, with particular attention to identifying diagnosable disorders rather than attributing poor sleep solely to lifestyle factors. Clinicians working with athletes are encouraged to treat sleep as a modifiable performance variable.

One important caveat is that this paper is a review article rather than an original clinical trial, meaning its conclusions are based on synthesized existing literature rather than new experimental data. The abstract does not detail which specific interventions were evaluated or quantify effect sizes, limiting the ability to draw precise clinical recommendations without accessing the full text.