Yep I have the same problem and agree with PimpSmoke, a lot of sauce including pizza have preservatives in them that upset my stomach and act as caffeine and keep me up.
8 to 10 beers I got no problem with!!!!
Weber Spirit E-310 Gasser
1 - Big Green Egg - Large
2 - 22.5 Weber Kettles
2 - 18.5 Weber Kettle
1 - WSM Mini
I live in fear that my Wife will sell all my "TOYS" when I die for WHAT I told her I paid for them!!