From the Super Mario Wiki
Nana's Room (Japanese: 祖父母の部屋 Grandparents' Room) is a room found in the third Area of Luigi's Mansion.
Nana's Room contains many items. Starting in the west, there is a spinning wheel, Nana's chair, a wall-height bookshelf, a bowl of yarn on a stand, a long table with two easy chairs, a tall cabinet and a sewing machine. A single chandelier is the only source of light in the room. A Speedy Spirit is hidden in the chair closest to the east wall.
 Ghosts in Nana's Room
 Ghosts in Nana's Room during the blackout