Originally posted by DuB

The first number is the month (4 = april, 5 = may, etc), the second numbers are the nights of that month on which he had a lucid dream. So he had lucids on:
4/1/06
4/4/06
4/6/06
4/23/06
5/4/06
5/8/06
etc

DAMN I'm good.
I get it now. Brilliant.