sdnnidx sleepstage02

Histogram

Sleep stage of first 30 second epoch in 5 minute window vs Visit Number
Baseline Follow-up
Total 44,621 39,667
Wake 4,026 2,912
Stage 1 3,635 3,034
Stage 2 16,673 15,968
Stage 3/4 12,763 11,091
Stage 3/4 - 41
REM stage 7,524 6,621