From: Parasomnias and sleep disordered breathing in Caucasian and Hispanic children – the Tucson children's assessment of sleep apnea study
Mean
SD
Sleep Time
487 minutes
79.7 minutes
Sleep Efficiency
89.8%
5.8%
Stage 1 (%)
4.6%
3.3%
Stage 2 (%)
52.0%
6.1%
Stage 3/4 (%)
21.9%
REM (%)
21.5%
5.0%
Sleep Latency
18.5 minutes
21 minutes
REM Latency
130.9 minutes
50.8 minutes