Do you think God talks to you? It's one of the symptoms of someone diagnosed with psychosis is that they hear someone speaking to them and telling them what to do. The similarities between a man of enlightenment and someone with mental conditions is talked about in verse 22 of Bhaja Govindam. 

The person of perfection is childlike in terms of their happiness. They are so spontaneous and uninhibited. They are totally present in the moment and are extremely spontaneous.