Chronic sleep deprivation, which is defined as sleeping less than seven hours per night, has a detrimental effect on our health and well-being. It weakens our immune system making us more susceptible to infections, impairs the regulation of appetite and body weight, and increases the risk of developing chronic diseases. Furthermore, it leads to impairments in cognitive performance, including attention, memory, and creative thinking, and can be a leading cause of accidents, such as those involving transportation, machines, and medical errors.
There is evidence that improving the quality and quantity of sleep can enhance our physical and mental health, improve our productivity and creativity, and increase our longevity. By prioritizing sleep hygiene and adopting healthy sleep practices, such as creating a comfortable sleep environment, reducing exposure to light, avoiding stimulants, and establishing a regular sleep schedule, we can promote optimal sleep and reap the benefits. Furthermore, Walker suggests that we should re-evaluate the way that we think about sleep, and recognize it as an important aspect of our health and well-being deserving of our attention and care.
As a society, we are facing a public health crisis due to the widespread prevalence of sleep deprivation, which is fueled by the demands of our modern lifestyles, such as longer working hours, electronic devices, and shift work. The consequences of this crisis are far-reaching and include increased healthcare costs, reduced productivity and economic output, and compromised public safety. Therefore, it is the responsibility of policymakers, employers, and individuals to prioritize sleep as a fundamental component of our health and to create a culture that values rest and recovery.
Sleep is not a luxury or a commodity but a necessity for our survival. It is a universal biological process fundamental to all life forms, including insects and plants. In humans, sleep plays a restorative role and is essential for the brain to function properly. Poor sleep can increase the risk of chronic diseases, obesity, diabetes, heart disease, and cancer, as well as impair cognitive, emotional, and physical performance.