This thread really makes me think!
LI - I was really pleased you mentioned the sleep business, because it's made me realise that I really need to get back on the case with that - I've been going to bed too late and it's made it harder to get up in the morning. Last couple of nights I've been closer to my ideal bedtime and it's much better.
Lisa - I eat too many biscuits and snacks. The way I'm trying to deal with that is not by replacing them with things, but by adding the healthy things on top to try to 'squeeze them out'. The main things for that are drinking enough water and having enough fruit and nuts and seeds. What about trying to add in those healthy things first and not worry too much if you have the chocolate on top? Over time your body should get used to getting what it needs from the healthy things and the cravings may reduce? I eat way too many crisps once the children go to bed and I'm preparing our food. I'm trying to drink a pint of water then, as a lot of that turns out to be thirst.
Anne - with the sugar business, try noticing how your body feels about half an hour after having the sugar. You may find that you don't feel great once that sugar surge subsides, and thinking about how that feels may help you when you decide if you want to have the sugar the next time.