Perplexity has equipped AI with a sleeping brain, so it reviews the work done during the day on its own at night, becoming smarter the next morning. This design feels quite biological.

CryptoWorld reports that Perplexity has launched a self-improving memory system for its intelligent agent Brain, which saves its own actions and task performance. During task execution, it automatically constructs a contextual graph and converts it into a dynamic knowledge base, loading the sandbox environment on the next startup. Incremental synthesis and pruning optimization are performed overnight. Tests show a 25% increase in accuracy, a 16% rise in information recall rate, and a 13% reduction in token consumption dependent on historical context. Currently, a research preview is open for Perplexity Max/Enterprise Max.