Thirteenth Nap - disapointing

Wasn't able to get the full twenty minutes got anywhere between 5-15 minutes. This was largely due to it being over "room check" where kids on my dorm hall run and scream up and down the hall and slam the doors that are right outside my room. I think I will move my nap to after this time from now on. Generally however i still feel fine and have found that undersleeping leaves me less tired that oversleeping, i imagine though it would catch up to me after a few naps only lasting 5 minutes.