Name

sleepstage01

Label

Sleep stage of first 30 second epoch in 5 minute window

Domain
sleepstage
  • 0: Wake
  • 1: Stage 1
  • 2: Stage 2
  • 3: Stage 3/4
  • 4: Stage 3/4
  • 5: REM stage
Type
choices
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