Sleep is often viewed as a simple necessity, but its impact on our cognitive health is profound. Recent studies have uncovered the hidden effects of sleep disorders, revealing how they can significantly impair brain function and increase the risk of neurological diseases.
## The Role of Sleep in Brain Health
Sleep is not just about rest; it is a critical period for brain maintenance. During deep, uninterrupted sleep, the brain’s glymphatic system operates most efficiently. This system acts like an “oil change” for the brain, clearing out waste and toxins that can accumulate and lead to neurological disorders such as Alzheimer’s and Parkinson’s diseases[1][3][5].
## The Glymphatic System and Sleep
The glymphatic system is a network of vessels responsible for flushing out waste from the brain. Poor sleep quality disrupts this system, leading to the accumulation of harmful proteins. This disruption is linked to memory decline and an increased risk of neurological diseases[1][5]. Researchers at The University of Hong Kong have shown that poor sleep in older adults deactivates the glymphatic system, affecting memory performance[1][5].
## Cognitive Impacts of Sleep Disorders
Sleep disorders not only affect memory but also impair cognitive function. Insufficient sleep can increase appetite, leading to weight gain, and negatively impact cognitive abilities over time[2]. Moreover, disrupted sleep patterns can lead
