Data hygiene is crucial for achieving accurate and easily usable insights from data, as it involves ensuring that data is correct, well-structured, and efficiently queryable. It requires collaboration between the analytics team, stakeholders, and data teams to bridge the gap between raw data generation and insight creation. Data hygiene encompasses three key principles: quality, architecture, and efficiency. Quality refers to accurate representation of reality, while architecture involves clear relationships between objects and data sources. Efficiency is achieved through efficient querying with well-defined foreign keys and unique identifiers. To implement effective data hygiene, stakeholders must document properties used in business logic, while the analytics team focuses on testing, setting up alerts, and writing efficient queries. Ultimately, prioritizing data hygiene is essential for business success as it directly impacts the performance of automations and decision-making processes.