A recent study, uploaded to the ESS Open Archive, presents a significant advancement in atmospheric research through the application of Lidar technology. The researchers have announced the discovery of AO and SAO of TINa layers within the mesosphere and lower thermosphere, specifically between altitudes of 75-150 km. This groundbreaking observation is part of the first sodium (Na) climatology of this atmospheric region. The study meticulously analyzes the data to establish connections between these newly identified layers and various atmospheric phenomena. Key among these connections is the role of metallic ions, which are believed to play a crucial part in the formation and characteristics of these layers. Furthermore, the research explores the influence of wave and eddy transport, fundamental processes that distribute energy and constituents within the atmosphere. The study also considers the contribution of meteoric influx, the constant bombardment of Earth by cosmic dust and small meteoroids, which introduces metallic atoms into the upper atmosphere. By integrating these elements, the study offers a more comprehensive understanding of the complex dynamics governing the 75-150 km altitude range. The use of Lidar, a remote sensing technique that uses light in the form of a pulsed laser, allows for precise measurements of atmospheric properties. This discovery is particularly relevant for atmospheric physicists and researchers studying space weather, atmospheric chemistry, and the long-term evolution of Earth's atmosphere. The findings contribute to a growing body of work aimed at building more accurate atmospheric models, essential for various applications including satellite operations, communication systems, and climate studies. The ESS Open Archive serves as a platform for pre-print scientific research, indicating that this work is undergoing peer review. The article's technical nature suggests it is aimed at a specialized scientific audience rather than the general public, but its implications for understanding our planet's atmosphere are broad. The research signifies a step forward in our ability to probe and comprehend the intricate layers of the atmosphere.