Using Allostatic State Mapping by Ambulatory ECG Repository (ALLSTAR) 24-h ECG big data, we investigated the effects of the time of sleep during day on the occurrence time and value of basal heart rate (BHR), i.e., the minimum heart rate of the day. We found that the timing of BHR shifts slightly, but significantly with the time of sleep (P < 0.0001); it occurs at 03:18 in nighttime sleepers on average, while it occurs at 02:35 in evening sleepers and 01:30 in daytime sleepers. The level of BHR, however, did not differ with the time of sleep (52–54 bpm for all).
- Circadian rhythm
- Heart rate
- Physiological big data
ASJC Scopus subject areas
- Information Systems
- Computer Networks and Communications
- Electrical and Electronic Engineering