i have had trouble getting to sleep or staying asleep

CITM_e618fe4597ef · 1 source instrument · 1 surface variant

Normalized stem

i have had trouble getting to sleep or staying asleep

Normalization rule (PRN-050): lowercase, strip non-word/space punctuation, collapse whitespace, trim. Used for fast dedup matching across the instrument corpus.

Normative benchmark

No normative benchmark yet for this item. Item-level norms require per-respondent response distributions; they populate from published norms where available and sharpen as anonymized, aggregated deployment responses are contributed (the benchmark flywheel).

Surface variants

The verbatim item text as it appeared in each source instrument. Cross-instrument variation is preserved here; the normalized form above is the dedup key.

1. I have had trouble getting to sleep or staying asleep

Appears in

Programmatic access: this row is also available via the registry REST surface at /api/v1/items/CITM_e618fe4597ef and via the MCP gateway as principia.items.lookup.