Histogram
Sleep stage of fifth 30 second epoch in 5 minute window vs Sleep Heart Health Study (SHHS) Visit Number
| Visit 1 | Interim Follow-up Visit | Visit 2 | CVD Outcomes | |
|---|---|---|---|---|
| Total | 42,434 | - | 44,085 | - |
| Wake | 5,407 | - | 6,843 | - |
| Stage 1 | 1,799 | - | 1,844 | - |
| Stage 2 | 20,876 | - | 21,069 | - |
| Stage 3/4 | 6,138 | - | 5,867 | - |
| Stage 3/4 | 434 | - | 326 | - |
| REM stage | 7,780 | - | 8,134 | - |
| Movement/Wake | - | - | 2 | - |