Delirium influences your intellect, emotions, motor control, and sleeping habits. You may find it difficult to concentrate on your whereabouts. You may also suffer from mood changes and move more slowly or swiftly than average.nOther signs and symptoms could include:n1. A lack of capacity to focusn2. Trouble sleeping and drowsyn3. Memory loss for short-termn4. Muscle control loss (as in urinary incontinence)n5. Increase in alertness in the morning and a decrease at nightn6. Persistent confusionn7. Disorganised thinking, talking in a way that makes little sensen8. Emotional changes: anger, agitation, irritability, overexcitementn9. Hallucinations and delusions