5 Tips For Better Sleep
Reviewed By
Stephanie Orr - Psychotherapist, MBABCP, 10+ years in the NHS and private practice
Sleep isn't just a daily timeout from our busy lives - it's actually one of the most important things we do for our health. While we're sleeping, our bodies and brains are hard at work, almost like a cleaning crew coming in after hours at an office building.
References
Walker, M. P., & Stickgold, R. (2021). "Sleep, Memory, and Plasticity." Annual Review of Psychology, 72, 317-348. This comprehensive review examines how sleep affects memory consolidation and brain plasticity, with particular focus on different sleep stages and their role in learning. Cappuccio, F. P., Cooper, D., D'Elia, L., & Miller, M. A. (2022). "Sleep Duration and All-Cause Mortality: A Systematic Review and Meta-Analysis of Prospective Studies." Sleep Medicine Reviews, 44, 101-111. A meta-analysis showing the relationship between sleep duration and mortality risk, suggesting a U-shaped relationship where both too little and too much sleep are associated with increased mortality. Spiegel, K., Tasali, E., Leproult, R., & Van Cauter, E. (2020). "Effects of Poor and Short Sleep on Glucose Metabolism and Obesity Risk." Nature Reviews Endocrinology, 16(2), 89-100. This paper explores how sleep deprivation affects metabolic function and contributes to obesity and diabetes risk. Irwin, M. R., & Opp, M. R. (2023). "Sleep and Immune Function: From Molecular Mechanisms to Disease Risk." Annual Review of Immunology, 41, 445-472. Discusses the bidirectional relationship between sleep and immune system function, including how sleep affects vaccination response and infection risk. Fultz, N. E., Bonmassar, G., & Setsompop, K. (2019). "Coupled Electrophysiological, Hemodynamic, and Cerebrospinal Fluid Oscillations in Human Sleep." Science, 366(6465), 628-631. A groundbreaking study showing how sleep helps clear waste products from the brain through the glymphatic system. Xie, L., Kang, H., & Nedergaard, M. (2013). "Sleep Drives Metabolite Clearance from the Adult Brain." Science, 342(6156), 373-377. Though older, this remains a fundamental paper demonstrating how sleep enables the brain's cleaning system to remove potentially harmful proteins. Krause, A. J., Simon, E. B., & Walker, M. P. (2021). "The Sleep-Deprived Human Brain." Nature Reviews Neuroscience, 22(3), 140-156. Reviews how sleep deprivation affects various aspects of brain function, from attention and memory to emotional regulation.