# REM Sleep

### Reflections
- Theme: `备份` kept surfacing across 68 memories.
  - confidence: 1.00
  - evidence: memory/2026-09-02.md:4-4, memory/2026-09-02.md:5-5, memory/2026-09-02.md:15-15
  - note: reflection

### Possible Lasting Truths
- No strong candidate truths surfaced.