The most practical type of sofa depends on your specific needs and preferences. However, here are some commonly used types of sofas that are generally considered to be practical:

1. Leather sofa: Leather sofas are generally durable, comfortable, and easy to clean. They can be found in a variety of styles and sizes, making them suitable for both home and office use.

2. Sectional sofa: Sectional sofas are versatile and can be arranged in various configurations to fit different spaces. They are generally comfortable and easy to move around, making them suitable for both indoor and outdoor use.

3. Chaise lounge: Chaise lounges are excellent for relaxing and reading, as they have plenty of room for reclining. They are also easy to clean and maintain, making them a popular choice for home use.

4. Upholstered sofa: Upholstered sofas are generally comfortable and have a variety of styles to choose from. They can be found in various sizes and can accommodate a variety of seating arrangements.

When choosing a sofa, it's important to consider your personal preferences, the space you'll be using it in, and your budget. Take these factors into consideration when choosing the most practical type of sofa for your home.