Histogram
Sleep stage of eighth 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 | 5,417 | - | 6,817 | - |
| Stage 1 | 1,714 | - | 1,877 | - |
| Stage 2 | 20,891 | - | 21,047 | - |
| Stage 3/4 | 6,108 | - | 5,904 | - |
| Stage 3/4 | 463 | - | 299 | - |
| REM stage | 7,840 | - | 8,141 | - |
| Movement/Wake | 1 | - | - | - |