cocooningcocooning /kəˈkuːnɪŋ/ noun [uncountable] 
the practice of spending a lot of time at home, where you are relaxed and comfortable, rather than going out and doing things: 
As our lives get busier, cocooning becomes more and more appealing.
the practice of spending a lot of time at home, where you are relaxed and comfortable, rather than going out and doing things: As our lives get busier, cocooning becomes more and more appealing.