Many seniors struggle with fragmented sleep caused by unpredictable environmental noises that disrupt the essential transition into deep sleep stages. These frequent interruptions prevent the body from completing vital cellular repair cycles, often leading to persistent daytime fatigue and diminished cognitive clarity. Even low-level background noises can keep the brain in a state of hyper-vigilance, making it difficult to reach the restorative delta-wave sleep required for long-term health. Health insights suggest that a controlled auditory environment, such as the use of consistent low-frequency sound, can synchronize brain waves and significantly improve sleep stability. Unlike harsh, sudden sounds, a steady acoustic background masks environmental spikes, allowing the nervous system to remain in a calm parasympathetic state. This stability is particularly crucial for the elderly, whose sleep architecture naturally becomes lighter and more susceptible to external disruptions over time. To implement this within the MeSook framework, caregivers should focus on creating a sound cocoon by minimizing hallway echoes and introducing soft, rhythmic background sounds. Utilizing a dedicated sound machine or a simple fan to create a gentle hum can provide the necessary masking effect. We recommend ensuring that any auditory aids are set at a low, consistent volume throughout the night to help residents maintain a deep, uninterrupted slumber and wake up feeling revitalized. 🌙