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Nijhuis definition for the heart-rate patterns and their associated behavioral states [1]. EM, GBM and HRP being eye movement, gross body movement and heart rate pattern, respectively.
| Behavioral state | EM | GBM | HRP |
|---|---|---|---|
|
| |||
| Quiet Sleep (1F) | No | Incidental | A |
| Active Sleep (2F) | Yes | Periodic | B |
| Quiet Awake (3F) | Yes | Absent | C |
| Active Awake (4F) | Yes | Continuous | D |
