Original ResearchPublished 12 May 2026Evaluating sleep quality in a non-intrusive manner using contactless ballistocardiography and audio signals through a LSTM-TCN machine learning modelDominic Jaworski · Tae-Ho Kim · Bohyung Choi · Edward J. ParkFrontiers in Network Physiologydoi 10.3389/fnetp.2026.1779111