DREAMT

Dataset for Real-time sleep stage EstimAtion using Multisensor wearable Technology

PPGIMUTempEDApsgWrist-worn

Key facts

Signals
ppg, accel, skin-temp, eda, psg
Reference Labels
ahi, sleep-staging
Devices
empatica-e4
Sampling Rates
E4 BVP 64Hz, ACC 32Hz, TEMP 4Hz, EDA 4Hz; PSG 100Hz
Subjects
100
License
PhysioNet Restricted Health Data License 1.5.0

Summary

Wrist PPG with PSG gold-standard sleep staging — the largest single wrist-PPG cohort in the ledger and the only one with expert-scored overnight sleep labels. Collected at Duke University Health System Sleep Disorder Lab, May–Sept 2022.

Updated: Oct 6, 2026