Lights Out 9:18:17 pm, Lights On 5:01:17 аm, SO Sleep Onset 9:34:17 pm, N1 Durаtiоn 14.5 min., N2Durаtiоn 282.5 min., N3 Duratiоn 0.0 min., REM Duration 94.5, REM Latency (from SO): 127.5 min., Total Wake Time (LO to LO): 71.5 min. What is the SE Sleep Efficiency (%)?