You are experiencing auditory hallucinations. Auditory hallucinations are sounds that you hear that are not actually there. They can be caused by a variety of factors, including certain medical conditions, mental health conditions, and drug use. If you are experiencing auditory hallucinations, it is important to see a doctor to rule out any underlying medical conditions.
You are experiencing vivid dreams or lucid dreaming. Vivid dreams are dreams that are so realistic that they feel almost like real life. Lucid dreaming is a state in which you are aware that you are dreaming and have some control over the content of your dreams. If you are experiencing vivid dreams or lucid dreaming, you may be hearing the singing voices as part of your dream experience.
You are experiencing a spiritual experience. Some people believe that hearing beautiful singing voices in their head is a sign of a spiritual experience. This may be particularly true if you feel a strong connection to the voices or if they seem to be guiding you in some way.
Your brain is trying to process information. Finally, it is also possible that your brain is simply trying to process information. When you listen to music, your brain processes the sounds and creates a mental representation of the music. If you are hearing beautiful singing voices in your head, it is possible that your brain is trying to recreate the experience of listening to music.
If you are concerned about the singing voices in your head, it is important to talk to a doctor or mental health professional. They can help you to determine the cause of the voices and recommend treatment if necessary.