This page talks about Dream Symbols ranging from Nf to Nz.

Night: 1. A possible Association is with ‘yin’ of Ying-yang.
2. Symbolises darker aspect of self.
3. Associated with fear.
4. Dark night of the soul.

Numb: 1. Feeling of futility.
2. Mentally and emotionally disconnected from something.

Nun: Denotes qualities associated to nun, such as spirituality,  reclusiveness.

Nurse: Associated with caring and healing.