REM Sleep - Memory Consolidation for AI Agents

Like biological REM sleep, this skill processes raw experience (session logs) into consolidated long-term memory.

Works with: OpenClaw, Claude Code, or any agent with session logs and memory files.

The Problem

• Session logs accumulate but are expensive to re-read
• Important insights get buried in noise
• "Mental notes" don't survive context compaction
• After a restart, you're starting from scratch unless you wrote it down

The Solution

Periodic "sleep cycles" that:

1. Search session logs for significant patterns
2. Extract what's worth remembering
3. Consolidate into durable memory files

Modes

1. Consolidate

Process recent session logs → extract significant events → update MEMORY.md

2. Defrag

Review MEMORY.md → remove stale/outdated entries → merge duplicates → compress

3. Full

Run both consolidate then defrag.

Consolidation Workflow

Step 1: Gather Recent Sessions

Option A: Using grep/jq (no extra software)

# OpenClaw session logs location
SESSIONS_DIR="$HOME/.openclaw/agents/main/sessions"

# Search for patterns in recent sessions
grep -r "decision\|learned\|important\|remember\|TODO" "$SESSIONS_DIR" --include="*.jsonl" | head -100

# Parse JSONL and search content
find "$SESSIONS_DIR" -name "*.jsonl" -mtime -3 -exec cat {} \; | \
  jq -r 'select(.content) | .content' 2>/dev/null | \
  grep -i "decision\|learned\|important"

Option B: Using Repo Prompt (if installed)

# More powerful semantic search
rp -e 'search "decision" --context-lines 2'
rp -e 'search "learned" --context-lines 2'
rp -e 'search "important" --context-lines 2'

Option C: Using memory_search (OpenClaw built-in)

If your agent has the memory_search tool, use it to semantically search memory files:

memory_search("decisions made this week")
memory_search("lessons learned")

Step 2: Identify Consolidation Candidates

From search results, look for:

• Decisions made — choices, preferences, conclusions
• Facts learned — new info about people, projects, systems
• Lessons — things that worked/didn't, mistakes to avoid
• TODOs/commitments — things promised or planned
• Relationship context — interactions with people, their preferences

Step 3: Update Memory Files

Two-tier system:

1. Daily file (memory/YYYY-MM-DD.md): Raw events, specific details
2. MEMORY.md: Distilled, durable knowledge worth keeping long-term

Consolidation prompt:

Review these session excerpts. Extract significant information that should be remembered long-term. Focus on: decisions, facts about people/projects, lessons learned, and preferences. Format as bullet points suitable for MEMORY.md.

Defrag Workflow

Step 1: Analyze Current Memory

Read MEMORY.md and identify:

• Stale entries — outdated info, completed TODOs, old dates
• Duplicates — same info repeated in different sections
• Inconsistencies — conflicting information
• Bloat — overly verbose entries that could be compressed

Step 2: Categorize Issues

STALE: [entry] — reason it's outdated
DUPLICATE: [entry A] ≈ [entry B]
INCONSISTENT: [entry A] vs [entry B]
BLOAT: [verbose entry] → [compressed version]

Step 3: Apply Fixes

• Remove stale entries (or move to an archive section if uncertain)
• Merge duplicates into single authoritative entry
• Resolve inconsistencies (check session logs if needed)
• Compress verbose entries

Step 4: Reorganize

Ensure MEMORY.md has logical sections:

• About [User]
• My Setup
• Projects
• People
• Preferences
• Lessons Learned

Scheduling

Recommended cadence:

• Consolidate: Every few days, or after busy periods
• Defrag: Weekly or bi-weekly
• Full: Monthly deep clean

Trigger options:

• Manually: "Run REM sleep" / "Consolidate my memories"
• Heartbeat: Add to HEARTBEAT.md for periodic runs
• Cron: Schedule isolated job for off-hours

Quick Reference

# Native search (no dependencies)
grep -r "pattern" ~/.openclaw/agents/main/sessions --include="*.jsonl"

# With Repo Prompt
rp -e 'search "PATTERN" --context-lines 2'

# Helper script (if using Repo Prompt)
./scripts/gather-sessions.sh [days_back]

File Structure

rem-sleep/
├── SKILL.md          # This file
├── README.md         # GitHub readme
└── scripts/
    └── gather-sessions.sh   # Helper script (requires Repo Prompt)

Notes

• Session logs are JSONL format — content is wrapped in JSON
• When uncertain if something is stale, keep it (conservative approach)
• MEMORY.md is loaded in main sessions — keep it focused and relevant
• The skill is a workflow, not a binary — adapt to your setup

Contributing

PRs welcome! Ideas for improvement:

• Better heuristics for "what's worth remembering"
• Alternative search methods
• Automation scripts for different platforms
• Integration with vector DBs for semantic search

GitHub: https://github.com/stewnight/rem-sleep-skill