I claim the ornamental design for a scented night light, as shown and described.
FIG. 1 is a perspective view of a scented night light;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom view thereof.
The thematic toy character, lower scent cartridge and electrical plug prongs are shown for environmental purposes in dashed lines, and form no part of the claimed design.