Self hypnosis

Q:

1. In islam can you listen to self hypnosis? Basically self hypnosis is deep relaxation then you do visualisation or make suggestions. I want to know is it haram or halal?

2. What about meditation, is it halal or haram?

Surma while fasting

Q: Does it invalidate or nullify the fast if you apply surma and sleep during the day? My father has been arguing that while fasting if you sleep during the day with the surma, it nullifies the fast as per some mufti he heard. kindly guide me.

Participating in the funeral rights of a non-Muslim

Q: My wife is a converted Muslim and her father has recently died who was a Hindu. There are some rituals that only my wife can perform as she is the only child. I am not sure wether to allow her to perform that rituals which may involve a Puja as well. Can you please guide me what happen if she still perform such rituals despite knowing that I am not happy if she performs those.