Name

sleepstage02

Label

Sleep stage of second 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 second 30 second epoch in 5 minute window vs Visit Number
Baseline Follow-up
Total 44,621 39,667
Wake 4,027 2,950
Stage 1 3,603 2,909
Stage 2 16,657 16,016
Stage 3/4 12,765 11,112
Stage 3/4 - 47
REM stage 7,569 6,633