Turning Your House into a Home: Expert Interior Design Tips
5. Line of Sight
We also pay attention to furniture that's easy to see. For example, don't put the TV so high that you have to crane your neck to watch it, or have a kitchen counter so short that you have to bend over a lot when you're cooking.
To fix this, design your place with your sight in mind. If you're in the living room, put the TV at your head level when you're sitting down, and it should be about 1.5 times its diagonal size away from your couch.