Sleep’s Impact on CRNA Performance

Sleep is a critical component of health and cognitive function, particularly for healthcare professionals like Certified Registered Nurse Anesthetists (CRNAs), who are responsible for managing patients’ anesthesia and ensuring their safety during surgical procedures. Adequate sleep supports mental alertness, decision-making, and the ability to respond swiftly to unexpected events. Conversely, fatigue caused by sleep deprivation can impair judgment, reaction times, and attention to detail—factors that are essential in anesthesia practice. Mistakes or lapses in focus can have severe consequences, including medication errors and compromised patient safety. For CRNAs, maintaining proper sleep hygiene is not just a matter of personal well-being but a professional responsibility critical to delivering high-quality, safe anesthesia care.

Sleep occurs in several stages, each playing a vital role in physical and mental restoration. The sleep cycle consists of non-REM (rapid eye movement) and REM stages. Non-REM sleep is divided into three stages: N1, a light transitional sleep; N2, where heart rate and body temperature decrease as the body prepares for deeper rest; and N3, also known as slow-wave or deep sleep, which is essential for physical repair, immune system strengthening, and energy restoration. REM sleep, characterized by vivid dreams and brain activity similar to wakefulness, is crucial for memory consolidation, learning, and emotional regulation. When individuals don’t get enough sleep or experience poor-quality sleep, they face numerous negative health effects, including weakened immune function, impaired cognitive performance, increased risk of chronic conditions like heart disease and diabetes, mood disturbances, and diminished overall well-being. Consistent sleep deprivation can have cumulative and long-term consequences for physical and mental health. 

Improving sleep hygiene involves adopting habits and creating an environment that supports restorative sleep by focusing on its quality, quantity, regularity, and timing. Quality sleep refers to how deeply and restfully a person sleeps, free from frequent awakenings, while quantity involves getting the recommended 7 to 9 hours for most adults. Regularity emphasizes going to bed and waking up at consistent times each day, even on weekends, which helps regulate the body’s internal clock. Timing is also crucial, as sleeping during the body’s natural circadian rhythm window—typically at night—ensures optimal hormonal and metabolic processes. To enhance sleep hygiene, individuals can establish a calming bedtime routine, limit exposure to screens and bright lights before bed, keep the bedroom cool and dark, avoid caffeine and heavy meals in the evening, and engage in stress-reducing activities such as reading or mindfulness exercises. Making these changes can lead to significant improvements in sleep and overall health.

Sleep is an essential pillar of health that profoundly impacts both personal well-being and professional performance. It supports cognitive function, emotional balance, physical recovery, and the ability to maintain focus and make sound decisions. For professionals, especially those in high-stakes fields like healthcare, adequate sleep is crucial for ensuring safety, efficiency, and precision. In personal life, quality sleep enhances mood, energy levels, and resilience against stress and illness. Prioritizing sleep is not merely a luxury but a necessity for living a healthier, more productive, and balanced life. By recognizing its importance and fostering better sleep habits, individuals can unlock their full potential and contribute meaningfully to their work and relationships.

Biddle, C., & Aker, J. (2011). The National Study of Sleep-Related Behaviors of Nurse Anesthetists: Personal and Professional Implications. AANA, 79(4). https://www.aana.com/wp-content/uploads/2023/07/aker_biddle_sleep_related_behaviors_aanaj0811.pdf 

Huberman, A. (n.d.). Huberman lab neural network. Huberman Lab. Retrieved from https://blogs.flinders.edu.au/student-health-and-well-being/wp-content/uploads/sites/71/2024/05/Sleep-advice-2.pdf.