Complex sentence: Mia continues to sew and John goes back to work; while they find normalcy, they begin to experience strange occurrences in their house, like the TV suddenly loses its picture, and Mia's sewing machine turns on by itself.
Split into simpler sentences: Mia continues to sew and John goes back to work; but they begin to experience strange occurrences in their house. The TV suddenly loses its picture, and Mia's sewing machine turns on by itself.