dreamt / Metadata.txt
bsaenz's picture
Add files using upload-large-folder tool
502945e verified
[Projects]
project_name: "DREAMT: Dataset for Real-time sleep stage EstimAtion using Multisensor wearable Technology"
description: A curated dataset collected from 100 patients using Empatica E4; high resolution physiological signals matched to sleep stage information and sleep apnea events extracted from Polysomnography
license: PhysioNet Restricted Health Data License 1.5.0
keywords: ["sleep disorder", "wearable", "time series classification", "biomedical"]
[Folders]
data_64Hz = folder containing all the data files sampled at 64Hz. The data files in this folder only contains Wearable E4 signals.
data_100Hz = folder containing all the data files sampled at 100Hz. The data files in this folder contains both Wearable E4 signals and PSG signals.
[Files]
participant_info.csv = information of all the recruited participants
- columns:
column_name: "SID",
description: id number of each participant,
acronym: "",
notes: No acronym used.
column_name: "Age",
description: Age of the participant,
acronym: "",
notes: No acronym used.
column_name: "GEDNER",
description: Gender of the participant,
acronyms:
acronym: "M",
full_form: "Male",
acronym: "F"
full_form: "Female",
notes:
column_name: "BMI",
description: Body Mass Index of the participant,
acronym: "BMI",
full_form: "Body Mass Index",
unit: kg/m2,
notes:
column_name: "OAHI",
description: Obstructive apnea-hypopnea index of the participant,
acronym: "OAHI",
full_form: "Obstructive apnea-hypopnea index",
unit: events/hour,
notes:
column_name: "AHI",
description: Apnea-hypopnea index of the participant,
acronym: "AHI",
full_form: "Apnea-hypopnea index",
unit: events/hour,
notes:
column_name: "Mean_SaO2",
description: Mean_SaO2 of the participant,
acronym: "",
unit: %,
notes: No acronym used.
column_name: "Arousal Index",
description: Arousal index of the participant,
acronym: "",
notes: No acronym used.
column_name: "MEDICAL_HISTORY",
description: Medical history of the participant,
acronyms:
acronym: "GERD",
full_form: "Gastroesophageal reflux disease",
acronym: "CAD"
full_form: "Coronary artery disease",
notes: Only the most commonly occurring comorbidities in the cohort is recorded
column_name: "Sleep_Disorders",
description: Sleep disorder noticed of the participant,
acronyms:
acronym: "OSA",
full_form: "Obstructive sleep apnea",
acronym: "H/O OSA"
full_form: "History of obstructive sleep apnea",
acronym: "RLS",
full_form: "Restless legs syndrome",
acronym: "EDS",
full_form: "Excessive daytime sleepiness",
acronym: "RBD",
full_form: "REM sleep behavior disorder",
acronym: "MCI",
full_form: "Mild cognitive impairment",
notes: Only the most commonly occurring disorders in the cohort is recorded
data_64Hz/SID_whole_df.csv = data file of wearable device data and sleep event of a participant_info
- columns:
column_name: "TIMESTAMP",
description: Timestamp of the recorded data,
acronym: "",
unit: s,
notes: No acronym used. Timestamp shifted and started with 0, with frequency of 64 Hz.
column_name: "BVP",
description: Blood Volume Pulse of the participant at each timestamp,
acronym: "BVP",
full_form: Blood Volume Pulse,
unit: arbitrary,
notes: Derived from photoplethysomography (PPG) sensor, sampled at 64 Hz
column_name: "IBI",
description: Inter-beat interval of the participant at each timestamp,
acronym: "IBI",
full_form: Inter-beat interval,
unit: ms,
notes: Derived from photoplethysomography (PPG) sensor, sampled at 64 Hz
column_name: "EDA",
description: Electrodermal activity of the participant at each timestamp,
acronym: "EDA",
full_form: Electrodermal activity,
unit: μS,
notes: Sampled at 4 Hz
column_name: "TEMP",
description: Skin temperature of the participant at each timestamp,
acronym: "TEMP",
full_form: Skin temperature,
unit: °C,
notes: Sampled at 4 Hz
column_name: "ACC_X",
description: Accelerometer data on the X axis of the participant at each timestamp,
acronym: "ACC_X",
full_form: Accelerometer data on the X axis,
unit: 1/64g,
notes: Sampled at 32 Hz
column_name: "ACC_Y",
description: Accelerometer data on the Y axis of the participant at each timestamp,
acronym: "ACC_Y",
full_form: Accelerometer data on the Y axis,
unit: 1/64g,
notes: Sampled at 32 Hz
column_name: "ACC_Z",
description: Accelerometer data on the Z axis of the participant at each timestamp,
acronym: "ACC_Z",
full_form: Accelerometer data on the Z axis,
unit: 1/64g,
notes: Sampled at 32 Hz
column_name: "HR",
description: Heart rate of the participant at each timestamp,
acronym: "HR",
full_form: Heart rate,
unit: bpm,
notes: Sampled at 1 Hz
column_name: "Sleep_Stage",
description: Sleep stage of the participant at each timestamp,
acronyms:
acronym: "P",
full_form: "Preparation",
acronym: "W",
full_form: "Wake",
acronym: "N1",
full_form: "non-rapid eye-movement (NREM) stage 1",
acronym: "N2",
full_form: "non-rapid eye-movement (NREM) stage 2",
acronym: "N3",
full_form: "non-rapid eye-movement (NREM) stage 3",
acronym: "R",
full_form: "Rapid eye movement (REM)",
acronym: "Missing",
full_form: "No sleep stage labeled",
notes: "Preparation" stage is the stage before PSG data collection start
column_name: "Obstructive_Apnea",
description: Reporting event of obstructive apnea at timestamp,
acronym: "",
notes: No acronym used, 1 means obstructive apnea detected.
column_name: "Central_Apnea",
description: Reporting event of central apnea at timestamp,
acronym: "",
notes: No acronym used, 1 means central apnea detected.
column_name: "Hypopnea",
description: Reporting event of hypopnea at timestamp,
acronym: "",
notes: No acronym used, 1 means hypopnea detected.
column_name: "Mixed_Apnea",
description: Reporting event of mixed apnea at timestamp,
acronym: "",
notes: No acronym used, 1 means mixed apnea detected.
data_100Hz/SID_PSG_df.csv = data file of PSG data, wearable device data and sleep event of a participant_info
- columns:
column_name: "TIMESTAMP",
description: Timestamp of the recorded data,
acronym: "",
unit: s,
notes: No acronym used. Timestamp shifted and started with 0, with frequency of 64 Hz.
column_name: "C4-M1",
description: Channels recording brain activity from different scalp locations, providing insights into sleep stages and cortical activity,
unit: μV,
channels: EEG
column_name: "F4-M1",
description: Channels recording brain activity from different scalp locations, providing insights into sleep stages and cortical activity,
unit: μV,
channels: EEG
column_name: "O2-M1",
description: Channels recording brain activity from different scalp locations, providing insights into sleep stages and cortical activity,
unit: μV,
channels: EEG
column_name: "T3-CZ",
description: Channels recording brain activity from different scalp locations, providing insights into sleep stages and cortical activity,
unit: μV,
channels: EEG
column_name: "CZ-T4",
description: Channels recording brain activity from different scalp locations, providing insights into sleep stages and cortical activity,
unit: μV,
channels: EEG
column_name: "E1",
description: Channel monitoring eye movements, essential for identifying rapid eye movement (REM) sleep,
unit: μV,
channels: EOG
column_name: "E2",
description: Channel monitoring eye movements, essential for identifying rapid eye movement (REM) sleep,
unit: μV,
channels: EOG
column_name: "CHIN",
description: Monitoring chin muscle activity to detect muscle tone changes during sleep,
unit: μV,
channels: EMG
column_name: "ECG",
description: "Recording the heart's electrical activity essential for detecting heart rate and rhythm variations,
unit: μV,
channels: ECG
column_name: "PTAF",
description: "Airflow monitored by pressure transducer,
unit: μV,
channels: Respiratory
column_name: "FLOW",
description: "Airflow monitored by temperature changes,
unit: μV,
channels: Respiratory
column_name: "THORAX",
description: Channel monitoring respiratory effort through chest movements,
unit: μV,
channels: Respiratory
column_name: "ABDOMEN",
description: Channel monitoring respiratory effort through abdominal movements,
unit: μV,
channels: Respiratory
column_name: "SNORE",
description: Channel monitoring snoring sounds,
unit: μV,
channels: Snoring
column_name: "LAT",
description: Monitoring left anterior tibialis muscle activity for detecting periodic leg movements,
unit: μV,
channels: Leg Movement
column_name: "RAT",
description: Monitoring right anterior tibialis muscle activity for detecting periodic leg movements,
unit: μV,
channels: Leg Movement
column_name: "SAO2",
description: Monitoring the percentage of oxygen in the blood,
unit: %,
channels: Blood Oxygen Saturation
column_name: "BVP",
description: Blood Volume Pulse of the participant at each timestamp,
acronym: "BVP",
full_form: Blood Volume Pulse,
unit: arbitrary,
notes: Derived from photoplethysomography (PPG) sensor, sampled at 64 Hz
column_name: "IBI",
description: Inter-beat interval of the participant at each timestamp,
acronym: "IBI",
full_form: Inter-beat interval,
unit: ms,
notes: Derived from photoplethysomography (PPG) sensor, sampled at 64 Hz
column_name: "EDA",
description: Electrodermal activity of the participant at each timestamp,
acronym: "EDA",
full_form: Electrodermal activity,
unit: μS,
notes: Sampled at 4 Hz
column_name: "TEMP",
description: Skin temperature of the participant at each timestamp,
acronym: "TEMP",
full_form: Skin temperature,
unit: °C,
notes: Sampled at 4 Hz
column_name: "ACC_X",
description: Accelerometer data on the X axis of the participant at each timestamp,
acronym: "ACC_X",
full_form: Accelerometer data on the X axis,
unit: 1/64g,
notes: Sampled at 32 Hz
column_name: "ACC_Y",
description: Accelerometer data on the Y axis of the participant at each timestamp,
acronym: "ACC_Y",
full_form: Accelerometer data on the Y axis,
unit: 1/64g,
notes: Sampled at 32 Hz
column_name: "ACC_Z",
description: Accelerometer data on the Z axis of the participant at each timestamp,
acronym: "ACC_Z",
full_form: Accelerometer data on the Z axis,
unit: 1/64g,
notes: Sampled at 32 Hz
column_name: "HR",
description: Heart rate of the participant at each timestamp,
acronym: "HR",
full_form: Heart rate,
unit: bpm,
notes: Sampled at 1 Hz
column_name: "Sleep_Stage",
description: Sleep stage of the participant at each timestamp,
acronyms:
acronym: "W",
full_form: "Wake",
acronym: "N1",
full_form: "non-rapid eye-movement (NREM) stage 1",
acronym: "N2",
full_form: "non-rapid eye-movement (NREM) stage 2",
acronym: "N3",
full_form: "non-rapid eye-movement (NREM) stage 3",
acronym: "R",
full_form: "Rapid eye movement (REM)",
acronym: "Missing",
full_form: "No sleep stage labeled",
notes: "Preparation" stage is the stage before PSG data collection start
column_name: "Obstructive_Apnea",
description: Reporting event of obstructive apnea at timestamp,
acronym: "",
notes: No acronym used, 1 means obstructive apnea detected.
column_name: "Central_Apnea",
description: Reporting event of central apnea at timestamp,
acronym: "",
notes: No acronym used, 1 means central apnea detected.
column_name: "Hypopnea",
description: Reporting event of hypopnea at timestamp,
acronym: "",
notes: No acronym used, 1 means hypopnea detected.
column_name: "Mixed_Apnea",
description: Reporting event of mixed apnea at timestamp,
acronym: "",
notes: No acronym used, 1 means mixed apnea detected.