definitely keep the naps up! that's exactly what i did when i was PG with DS & working full time. every day i would come home from work, go straight to bed for an hour & then get up & have dinner. i would still be in bed by 10ish i think & had no trouble sleeping overnight! i think by the time i was about 13 weeks i didn't feel the need to nap after work anymore (well, not as much). afternoon naps on weekends/days off are great too!