To apply light to a region such as the forehead of a user at a prescribed distance so that the user can be relaxed by himself/herself to sleep well by a light emitting health appliance to emit LED light through a crystal ball.

The light emitting good sleep appliance comprises a light emission means for supporting LEDs which emit light with a power supply and a spherical crystal mounted in front of the LEDs, and a support means for supporting the light emission means in a horizontal plane on which the user is lying or a horizontal plane parallel to the horizontal plane in such a way that there is a prescribed distance between the end of the light emission means and a prescribed light application region of the user lying on the horizontal plane.