Hey Cass - I have thought of that - but I can't really express at work, so Ill have to do it when i get back to Mums house at 10ish. however our feeds at the moment go:

Wakeup anywhere between 6:30 and 9: breastfeed (one side only)
2-3 hours later: breastfeed(one side only)
2-3 hours later: formula and vegies
2-3 hours later: breastfeed (one side only)
2-3 hours later (about 6:30-7ish): formula and bed

and then in the morning it has been ages since one boob has been fed from, but it isn't swollen or sore, so I don't know what's going on.

I have always only ever fed from one side - she has never really been interested in both sides... What do all you other breastfeeders do?