If a patient consistently wakes during stage 3 (slow-wave) sleep due to environmental noise, which consequence follows regarding long-term memory?

💡 Explanation

Stage 3 sleep is critical for declarative memory consolidation, such as facts and events. Consistent disruption leads to impaired information processing because the brain cannot effectively transfer these memories from short-term to long-term storage. Therefore, declarative memory suffers, rather than procedural memory, and it causes sleep fragmentation rather than circadian shifts.

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