Avg Heart Rate (Sleep)
Average heart rate during the night.
Average heart rate during the night.
Duration of deep (slow-wave) sleep phase in hours.
Duration of light sleep stages (N1 + N2) in hours.
Duration of rapid eye movement (REM) sleep in hours.
Percentage of time in bed actually spent sleeping.
Time from lying down to falling asleep (in minutes).
Composite score of nightly sleep quality (0–100) from Oura Ring.
Total sleep duration per night in hours (excluding awake time).
Average blood oxygen saturation level during sleep.
Average RR-interval variability (RMSSD) during sleep, in milliseconds.
Composite body recovery score (0–100) from Oura Ring.
Lowest heart rate recorded during sleep.
Body temperature deviation from personal baseline (°C).
Calories burned through physical activity (excluding basal metabolism).
Composite daily activity score (0–100) from Oura Ring.
Time in high-intensity activity zone per day (hours).
Time in moderate-intensity activity zone per day (hours).
Daily step count.
Response accuracy in Go/No-Go test (inhibition).
Sensitivity in N-Back working memory test (d-prime).
Number of lapses (RT > 500 ms) in PVT — marker of inattention.
Mean reaction time in Psychomotor Vigilance Task (ms).
Median reaction time in PVT (ms) — robust to outliers.
Mean reaction time in simple RT test (ms).
Reaction time difference between congruent and incongruent stimuli (ms).