Hygge /ˈh(y)o͞oɡə,ˈho͝oɡə = a quality of coziness and comfortable conviviality that engenders a feeling of contentment or well-being (regarded as a defining characteristic of Danish culture).
Conviviality = the quality of being friendly and lively; friendliness.
Items in our home should make us happy, feel calm/feel good aka cozy.
Less items in our home means less stuff for us to take care of, less stuff to clean, less stuff to organize. When we have less things, it helps reduce stress and anxiety, feel COZY and feel more peace.