What do cleanliness, physical exercise, rest, and sleep refer to?

Personal hygiene

Cleanliness, physical exercise, rest, and sleep are key components of personal hygiene and overall health.

• Cleanliness involves maintaining a clean body, washing hands, brushing teeth, and wearing clean clothes to prevent infections.
• Physical exercise keeps the body fit, strengthens the heart, and boosts immunity.
• Rest allows the body to recover and refresh.
• Sleep is essential for mental clarity, immune function, and overall well-being.

Together, these practices help maintain hygiene, prevent diseases, and promote a healthy lifestyle.