At certain times there are no logic lines to follow, no guiding emotions, just infinite arbitrary choices. Not funny, not sad, not anything. Spiritual blindness. Intellectual chaos. A cognitive fever evolved to defend against harmful invasive thought patterns. A soulful master cleanse. Fasting from sleep lets the mind break-down dream residue buildups thus clearing neural passageways and increasing the flow of creativity. Pattern breaking is an essential step to good health when not observed on a regular basis.