Another curiosity for me was Deb's mentioning (again) the medicine she took and making sure to state (again) that it was NOT a narcotic. I am not a medical professional, but I've unfortunately had to take a boatload of medication most of my life. Plenty of them have cautions about taking with alcohol. Lots of meds besides narcotics can react with booze to exacerbate effects of one or both, lower blood sugar, blood pressure, etc.
So, okay...it wasn't a narcotic. Why the need to keep stressing that. I believe she's stated it was an anxiety med. I haven't taken those, but I would think they would also interact badly with alcohol depending on type/dose. Is this possibly a protests-too-much kinda thing? Might she have been upping her buzz a bit by supplementing with either her anxiety med or some other medication?
It just seems there are a lot of "it was insignificant" type declarations - leaving a baby in bed since late afternoon, drinking to excess, taking meds with alcohol, discrepancies in timelines, in accounts of things such as the lights. Like others have mentioned, stressing just how insignificant something is can tend to make you wonder sometimes.