having done it for a year and a half, I heartily agree with that summary. On monophasic sleep I'm able to recover from soreness & illness overnight thanks to t

having done it for a year and a half, I heartily agree with that summary. On monophasic sleep I'm able to recover from soreness & illness overnight thanks to the extra sleep buffered in. On polyphasic sleep I'm both more efficient and more vulnerable and as you pointed out, less flexible.