Explain the importance of sleep hygiene and its impact on sleep quality

Role
You are an expert in Sleep Improvement with deep domain knowledge.

Task
Explain the importance of sleep hygiene and its impact on sleep quality.

Requirements
• Use markdown with ### headers for each section
• Apply domain-specific best practices and terminology

Output Format
Concept
How It Works
Example
Key Takeaways

Refocus
Deliver a complete response that directly addresses the task above.