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Sleep Patterns and Affect Dynamics Among College Students During the COVID-19 Pandemic: Intensive Longitudinal Study

Zahra Avah Mousavi, Jocelyn Lai, Katharine Simon, Alexander P Rivera, Asal Yunusova, Sirui Hu, Sina Labbaf, Salar Jafarlou, Nikil D Dutt, Ramesh C Jain, Amir M Rahmani, Jessica L Borelli

JMIR Form Res 2022;6(8):e33964

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Using Multimodal Assessments to Capture Personalized Contexts of College Student Well-being in 2020: Case Study

The Samsung smartwatch tracks several user activities and physiological variables 24/7 (for more details on how these devices were used for our study, see Yunusova et al [72]). We were able to use the watch to assess participants’ heart rate variability (root mean square of successive differences between normal heartbeats [RMSSD]) and beats per minute (BPM) during diurnal periods (RMSSD and day BPM), and during the entire 24-hour period (RMSSD and resting BPM).

Jocelyn Lai, Amir Rahmani, Asal Yunusova, Alexander P Rivera, Sina Labbaf, Sirui Hu, Nikil Dutt, Ramesh Jain, Jessica L Borelli