Sleep: Total recording time was 449.5 minutes. Total sleep time was 341.5 minutes. Sleep efficiency was 76.0%. The latency to sleep onset was 32.0 minutes. The first REM period started after 23.0 minutes from sleep onset.
Sleep Stages Distribution: Stage N1: 51.5 min. (15.1%)
Stage N2: 171.5 min. (50.2%)
Stage N3: 26.5 min. (7.8%)
Stage REM: 92.0 min. (26.9%)
Total Arousal Index was 10.7/hour.
Spontaneous Arousals: 6.9/hour.
Respiratory Arousals: 3.9/hour
Periodic Limb Movement Index: 0.0/hour
Periodic Limb Movement Arousal Index: 0.0/hour
Respiratory Events: The patient had 17 obstructive apneas; 0 central apneas; 32 hypopneas (with 4 % desaturation criteria); and 93 hypopneas with 3% or less desaturation and arousals.
Apnea Hypopnea Index (AHI 4%): 8.6/hour
Apnea Hypopnea Index (AHI 3A): 24.9/hour
Supine AHI 3A: 23.6; Non-supine AHI 3A: 25.9
REM AHI 3A: 33.3; NREM AHI 3A: 21.9
The lowest O2 saturation was: 88%
Cumulative O2 desaturation below 90% was (hh:mms): 0:03:17.0