{"dataset":{"id":"408","dataset_id":"nm000185","name":"Sleep-EDF Expanded: Whole-Night PSG Recordings","description":"197 whole-night PSG, 100 subjects, expert 30s sleep staging (W/N1/N2/N3/REM) in events.tsv. EEG Fpz-Cz/Pz-Oz + EOG + EMG at 100Hz. PhysioNet DOI:10.13026/C2X676","owner_user_id":19,"status":"active","github_repo":"nemarDatasets/nm000185","concept_doi":"10.82901/nemar.nm000185","latest_version_doi":"10.82901/nemar.nm000185.v1.0.0","created_at":"2026-04-09 15:04:36","updated_at":"2026-07-10 21:53:02","zenodo_concept_id":"20500728","is_sandbox":0,"visibility":"public","ezid_status":"public","enrichment_json":"{\n  \"version\": \"2.0\",\n  \"pipeline_stage\": \"validated\",\n  \"title\": \"Sleep-EDF Expanded: Whole-Night PSG Recordings\",\n  \"description\": \"Sleep-EDF Expanded is a comprehensive polysomnographic dataset comprising 197 whole-night recordings from healthy subjects and drug study participants. The dataset includes EEG, EOG, EMG, and respiratory signals sampled at 100 Hz, with expert-annotated sleep stages assigned to 30-second epochs according to AASM criteria. This resource serves as a benchmark for sleep stage classification and polysomnographic signal analysis.\",\n  \"methods_description\": \"Polysomnographic recordings were acquired from two studies: a cassette study with 78 healthy subjects undergoing ambulatory 48-hour recordings, and a telemetry study with 22 subjects in a Temazepam drug study. Recorded channels include EEG (Fpz-Cz and Pz-Oz at 100 Hz), horizontal EOG, submental EMG, and in some recordings, respiration and temperature signals. Sleep stages were manually annotated by experts in 30-second epochs using AASM criteria.\",\n  \"license\": \"ODbL v1.0\",\n  \"dataset_type\": \"raw\",\n  \"authors\": {\n    \"Bob Kemp\": {},\n    \"Aeilko H. Zwinderman\": {},\n    \"Bert Tuk\": {},\n    \"Hilbert A.C. Kamphuisen\": {},\n    \"Josefien J.L. Oberye\": {}\n  },\n  \"keywords\": [\n    {\n      \"term\": \"Polysomnography\",\n      \"subject_scheme\": \"MeSH\",\n      \"value_uri\": \"http://id.nlm.nih.gov/mesh/D017286\"\n    },\n    {\n      \"term\": \"sleep staging\"\n    },\n    {\n      \"term\": \"EEG\"\n    },\n    {\n      \"term\": \"electrooculography\"\n    },\n    {\n      \"term\": \"electromyography\"\n    },\n    {\n      \"term\": \"sleep architecture\"\n    }\n  ],\n  \"related_identifiers\": [\n    {\n      \"identifier\": \"10.1109/10.867928\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"References\"\n    },\n    {\n      \"identifier\": \"https://github.com/nemarDatasets/nm000185\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"https://nemar.org/dataexplorer/detail?dataset_id=nm000185\",\n      \"identifier_type\": \"URL\",\n      \"relation_type\": \"IsDescribedBy\"\n    },\n    {\n      \"identifier\": \"10.13026/C2X676\",\n      \"identifier_type\": \"DOI\",\n      \"relation_type\": \"IsDerivedFrom\"\n    }\n  ],\n  \"resource_type_general\": \"Dataset\",\n  \"resource_type_specific\": \"EEG Dataset\",\n  \"modalities\": [\n    \"eeg\"\n  ],\n  \"sizes\": [\n    \"8.7 GB (198 files)\"\n  ],\n  \"formats\": [\n    \".edf\",\n    \".json\",\n    \".md\",\n    \".py\",\n    \".tsv\",\n    \".yml\"\n  ],\n  \"source_hash\": \"654412e81ec7a99108180f137aa965ee015abd5f6a1f3123dca2087f03f3c5e1\"\n}","last_activity_at":"2026-04-09 16:10:08","source":null,"source_id":null,"subject_count":100,"modalities":"eeg","age_min":18,"age_max":101,"file_size":8714278924,"total_files":198,"tasks":"sleep","metadata_columns_error":null,"staleness_warn_stage":null,"staleness_admin_notified_at":null,"authors":"Bob Kemp, Aeilko H. Zwinderman, Bert Tuk, Hilbert A.C. Kamphuisen, Josefien J.L. Oberye","license":"ODbL v1.0","readme":"[![DOI](https://img.shields.io/badge/DOI-10.82901%2Fnemar.nm000185-blue)](https://doi.org/10.82901/nemar.nm000185)\n\nSleep-EDF Expanded: Whole-Night PSG Recordings\n================================================\n\n197 whole-night PSG recordings from PhysioNet Sleep-EDF Expanded.\n- Cassette study: 78 healthy subjects, ambulatory 48h recordings\n- Telemetry study: 22 subjects, Temazepam drug study\n\nChannels: EEG Fpz-Cz, EEG Pz-Oz (100 Hz), EOG horizontal, EMG submental\n(+ respiration, temperature in some recordings)\n\nSleep staging: Expert-annotated 30-second epochs in _events.tsv files.\nStages: Wake, N1, N2, N3 (combines original S3+S4 per AASM), REM, Unknown.\nOriginal Rechtschaffen & Kales stages preserved in 'original_stage' column.\n\nReference: Kemp et al. (2000) IEEE TBME 47(9), 1185-1194.\nPhysioNet: https://physionet.org/content/sleep-edfx/1.0.0/","bids_version":"1.9.0","sessions_count":2,"publish_date":"2026-06-02 01:11:51","embedding_dirty":0,"license_tier":"sharealike","zarr_status":"ready","zarr_converted_at":"2026-09-04 06:34:17","zarr_store_count":197,"zarr_index_etag":"ace787febba50be14eda479d323058de","zarr_source_commit":"d58c8ba128bd44dc0c044b24d0e8791cedfc8eda","archive_status":"ready","archive_size":5903219608,"archive_retry_count":0,"records_status":null,"archive_skip_reason":null,"zarr_errors":0,"zarr_failure_count":0,"zarr_deterministic":0,"zarr_failed_at":null,"num_dataset_citations":0,"num_datapaper_citations":89,"n_channels":7,"electrode_system":"other","has_hed":0,"hed_version":null,"is_exemplar":0,"bytes_present":null,"data_complete":null,"withdrawn_at":null,"withdrawn_reason":null,"archive_complete":null,"archive_absent_files":null,"archive_declared_files":null,"zarr_pool_breaks":0,"total_recording_duration":13856530,"recording_duration_min":26980,"recording_duration_max":86400,"recording_count":197,"recordings_unavailable":0,"recordings_measured":197,"channel_count_min":5,"channel_count_max":7,"sampling_frequency":100,"power_line_frequency":50,"eeg_reference":"Fpz-Cz, Pz-Oz (bipolar derivations)","placement_scheme":null,"sweep_stamps":"{\"enrichment_updated_at\":\"2026-06-02 01:11:34\",\"metadata_updated_at\":\"2026-06-02 01:12:00\",\"archive_checked_at\":\"2026-06-05 01:32:59\",\"zarr_checked_at\":\"2026-06-07 17:58:27\",\"records_checked_at\":null,\"citations_updated_at\":\"2026-09-08 03:00:46\",\"channel_montage_checked_at\":\"2026-06-28 22:56:33\",\"hed_checked_at\":\"2026-06-30 04:16:35\",\"data_checked_at\":null,\"availability_report_at\":\"2026-07-23 01:07:13\",\"signal_defaults_at\":\"2026-09-02 11:42:26\",\"recording_stats_at\":\"2026-09-05 03:01:01\"}","participants":100,"num_citations":89,"latest_version":"v1.0.0","zarr_verify_status":null,"zarr_verified_at":null,"owner_username":"bruaristimunha","owner_github":"bruAristimunha","file_size_formatted":"8.12 GB","zarr_data_failures":null,"zarr_index_url":"https://zarr.nemar.org/nm000185/zarr/index.json","attestation_deposit_type":null,"attestation_key_status":null,"attestation_deidentified":null,"attestation_no_duplicate":null,"attestation_upstream_source":null,"attestation_accepted_at":null}}