Histogram
Sleep stage of tenth 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 | 5,381 | - | 6,733 | - |
| Stage 1 | 1,635 | - | 1,897 | - |
| Stage 2 | 21,070 | - | 20,982 | - |
| Stage 3/4 | 6,057 | - | 5,970 | - |
| Stage 3/4 | 425 | - | 318 | - |
| REM stage | 7,866 | - | 8,182 | - |
| Movement/Wake | - | - | 3 | - |