Hypertension screening via awake–sleep differences in photoplethysmogram signals

Jingyuan Hong, Manasi Nandi, Yali Zheng, Jordi Alastruey (KCL, Shenzhen Technology University)

European Heart Journal - Digital Health· 2026
PPGDOI

Summary

Hypothesis: normotensives show bigger awake-vs-sleep PPG changes than unmanaged hypertensives. 20 PPG indices; per-subject Mann–Whitney p-values (awake vs sleep) discretized as features. Aurora-BP (n = 180; 138 normotensive, 42 hypertensive; 18 held out): SVM accuracy 81.1 ± 8.4%, F1 82.8%.

Key facts

Form Factor
wrist
License
Not stated

Reported benchmarks

Cuffless blood pressure

aurora-bp-htn · Accuracy ↑

#1 of 1
0.811

Hypertension yes/no, subject-level, 18 held-out subj; F1 0.828

Cuffless blood pressure

cuhk-bp-htn · Accuracy ↑

#1 of 1
0.846

External CUHK-BP n=26, no retraining; F1 0.867

Updated: Oct 11, 2026