Not at all... for the time being, our body clocks cant become 'normal' anyway so go with what ur body needs, is my view.
I usually have/NEED a couple of naps to get thru a day. Oddly, these naps seem to go a lot deeper than trying to sleep 'officially' at night.
Its like going into a void, i wake up and cant remember how i got there...90 minutes can just 'disappear'. But I dont think these recharging 'time-outs' are optional to be honest.
Any crap about feeling guilty / lazy isnt going to help so let it go, i have <img src="/ubbthreads/images/graemlins/tongue.gif" alt="" />

V