3 minute rule
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3 minute rule


Posted by RPSGT on June 06, 2002 at 19:22:45:

I'm a little confused about the 3 minute rule for scoring stage 2 sleep. I've read the R&K criteria for this and it seems my medical director and I are reading/understanding it differently. For example, if someone is clearly in stage 2 sleep, then they have an arousal say 5 seconds into the next epoch and it appears to be stage 1 after the arousal (slow-rolling eye movements and no K complexes or spindles) I will score the epoch as stage 1. He says (because of the 3 minute rule) that it should stay stage 2.

Is what this is resulting in is my scoring (compared to his) has much more stage 1 scored. If anyone can help explain in clearer terms than the R&K manual, it would be very much appreciated.


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