sleep score
sleep stages (stacked)
sleep efficiency %
sleep latency (time to fall asleep in minutes)
time in bed vs total sleep (hours)
average heart rate during sleep (bpm)
average breathing rate (breaths/min during sleep)
lowest heart rate (bpm, during sleep)
restless periods (number of restless moments)
awake time (minutes awake during sleep)
optimal bedtime window (recommended sleep time)
sleep contributors (stacked scores, max 700)