Goose flew into a window at my work and knocked its self out...I put it in a box but now it appears dead...do they go into a dormant state when they get when they get stunned??

No, it is likely dead from the impact or shock.

Goose flew into a window at my work and knocked its self out...I put it in a box but now it appears dead...do they go into a dormant state when they get when they get stunned??