1- Dreaming of feeling hollow connects with our feelings of emptiness, lack of purpose and inability to find a direction in our lives.
To dream of being in a hollow would indicate that we need some kind of protection from what is going on around us in our ordinary everyday life.
Hollowness can come across in a dream in several ways. We can be conscious of our being hollow inside for instance, ‘it felt as though I had hollow legs’, or that we are in a hollow state - a state similar to the void (see Abyss). We are in a position where nothing is happening, where we do not feel in control and need to take control of the space we have been given.
3- Hollowness can indicate a lack of motivation, particularly on our spiritual journey.... Ten Thousand Dream Dictionary
Psychological / emotional perspective: Hollowness can come across in a dream in several ways. We can be conscious that we are in a hollow state – reaching an understanding of the abyss or void, or of being hollow inside – devoid of emotion. We are in a position where nothing is happening, where we do not feel in control and need to reassert our control of the scope we have been given.... Dream Meanings of Versatile
Gives gender - specific: In a woman’s dream hollowness may simply be highlighting her ability to be pregnant. In a man’s dream hollowness may signify a sense of inadequacy.... Dream Meanings of Versatile