I started changing my life with 15 minutes a day when I also worked a job, when I was just starting my starting my travel blog buisiness, when I was pregnant, when I was sick, when I was traveling, and juggling many many balls.
You may start with just one area. For me, the most important was my morning routine. I started with 5 minutes of meditation. Once I got comfortable with the practice and saw the benefits, that expanded.