Supplementary Data S1
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recording_manifest.csv
  Sanitized manifest for the 39 Sleep-EDF recordings analyzed. Local filesystem paths were removed.

epoch_features.csv.gz / epoch_features.parquet
  Derived 30-s epoch-level biomarker table: subject/recording indices, expert stage labels, and 22 EEG biomarkers.

features_with_context.parquet
  Derived table after adding within-recording five-epoch local means and first differences used in the temporal representations.

Source attribution
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Derived from Sleep-EDF Database Expanded v1.0.0, PhysioNet (DOI: 10.13026/C2X676), distributed under the Open Data Commons Attribution License v1.0. No raw EDF files are redistributed here.
