Acute Effect of Alcohol Intake on Cardiovascular Autonomic Regulation During the First Hours of Sleep in a Large Real-World Sample of Finnish Employees: Observational Study
Pietilä, Helander, Korhonen, Myllymäki, Kujala, Lindholm · 2018 · JMIR Mental Health 5(1):e23
Observational study · Rang 5 von 9
What this work gives Aellic
Dose-resolved resting heart rate response to alcohol: “HR was increased by 1.4 bpm with low, 4.0 bpm with moderate, and 8.7 bpm with high alcohol intake” (bands: ≤0.25 / >0.25–0.75 / >0.75 g/kg pure alcohol), n = 4,098 across 111,025 measurement days. Preferred over WHOOP's linear extrapolation because it is dose-resolved rather than projected. Firstbeat is the data provider and the employer of three co-authors; the company's own pages do not carry these bpm values at all.
Correction of 25 July 2026
Filed as an industry white paper until then — it is in fact a peer-reviewed observational study with a DOI, and has been re-graded accordingly.
The entry on the register was wrong. It was not replaced but kept — with what holds instead standing next to it.
Where this sits in the engine
3 declared sites — constants and thresholds in the code that point at this entry.
- Behaviour Alcohol and caffeine 3 sites
Register entry firstbeat2018 · Observational study