The ornamental design for a light emitting apparatus for alertness stimulation, as shown and described.
1. Light emitting apparatus for alertness stimulation
1.1 : Perspective view
1.2 : Front view
1.3 : Back view
1.4 : Right view
1.5 : Left view
1.6 : Top view
1.7 : Bottom view
The design consists of the features of shape and configuration of the article shown in the drawings; the portions shown in stippled lines form no part of the claimed design.