Histogram
Sleep stage of sixth 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 | 5,357 | - | 6,790 | - |
| Stage 1 | 1,753 | - | 1,892 | - |
| Stage 2 | 20,967 | - | 20,984 | - |
| Stage 3/4 | 6,093 | - | 5,935 | - |
| Stage 3/4 | 466 | - | 327 | - |
| REM stage | 7,797 | - | 8,154 | - |
| Movement/Wake | 1 | - | 3 | - |