I agree with short naps concept but i think rather than following "the earlier in the day, the better", another concept of mid-day napping can be followed. You

I agree with short naps concept but i think rather than following "the earlier in the day, the better", another concept of mid-day napping can be followed. You just need to take a short nap of 30 minutes ,15-20 minutes post-lunch. That is the time we can easily fall asleep, also you feel very refreshed and productive once you wake up!