EFFECTS OF EXAMINATION STRESS ON STUDENTS’ NOCTURNAL SLEEP METRICS STUDIED WITH CUSTOM ECG HOLTER AND ACCELEROMETER СтатьяShumov Dmitry Ye, Sveshnikov Dmitry S., Kuznetsov D.N., Yakunina Elena B., Bakaeva Zanda V., Tokareva L.G., Izmaǐlov Dmitry YuNeuroscience and Behavioral Physiology. Том 55. 2025. С. 1724-1730