Oh yes. I had the follow meals as routine for the first 4 months or so;
6am ish - Breakfast One - Cereal with milk, tinned fruit, coffee and fresh juice
10am ish - Breakfast Two - Toast (at least two slices) with honey, something sweet and stodgy like sponge and custard or trifle, Coffee
12 ish - Lunch One - Chunky soup or stew with toast or crusty bread
2pm ish - Lunch Two - Sandwiches (many), crisps, two pieces of fruit, some cake
5pm ish - Crackers with cheese and a yogurt
8pm ish - Normal dinner (but always of the stodgy variety - lasagne, curry, stew and mash, cottage pie etc)
Then in between I'd eat biscuits. At least one packet overnight.
In my defence, I was feeding twins and I didn't put any weight on (was pre-pregnancy weight at 6 week check). So I really was just eating and drinking to hunger/thirst.
I good the all consuming where-is-my-next-meal-coming-from hunger eased at about 4 months. Then I went a bit erratic and forgot about meals then got starving.
I reckon you shouldneat if you're hungry. If you start putting weight on (or if you have a lot to lose) then maybe that's not such a good plan, but as long as you're maintaining your weight then you're eating what you need 