The any kind of the light in the dark usually indicates the hope the dreamer has. It is also the symbol of understanding the true and finding the answers to your questions.
Dream dictionary: Illumination (light) dream meanings
To dream of an illumination augurs success in life, and much happiness; if the light begins to disappear, sorrow and many tears will be your portion.
…To dream of an illumination augurs success in life and much happiness; if the light begins to disappear, sorrow with many tears will be your portion. Lucky lottery dream numbers – 24, 68….