The idea that dreams are the brain's attempt to synthesize random neural activity in the brain matches the of dreaming.

Answer;

Activation synthesis model of dreaming

Explanation;

-The activation-synthesis model suggests that dreams are caused by the physiological processes of the brain.

-According to activation synthesis hypothesis  of dreaming, dreams are the brain's attempt to make sense of the random firing of the brain cells during REM sleep.

People impose meaning on random mental activity.  This is a theory that dreams result from the brain's attempt to make sense of random neural signals that fire during sleep.