Right, there are a whole bunch of concerns, some easier to test than others. I chose the PVT because I wanted a test that distinguishes effects of a polyphasic schedule from effects of chronic partial sleep restriction. And it now occurs to me as blindingly obvious that I should have said that outright in the OP.
Right, there are a whole bunch of concerns, some easier to test than others. I chose the PVT because I wanted a test that distinguishes effects of a polyphasic schedule from effects of chronic partial sleep restriction. And it now occurs to me as blindingly obvious that I should have said that outright in the OP.