The ornamental design for a bedsidelamp, as shown and described.
FIG. 1 is a perspective view of a bedside lamp showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines in the drawings illustrate portions of the bedside lamp which form no part of the claimed design. The diagonal lines in the drawings indicate transparency.