The hotels do this so they space out people, so that the breakfast room is not swamped or overloaded. When you check in you will be given timeslot coupons. You can ask for 7am but you may not get that time. Dont worry though, just take whatever times you are given. Alot of the time they are not very strict, so just go to breakfast at 7am. You might be let in straight away or you might have to wait a few minutes.
In Santa Fe you get your food and then find a table so it can be quiet chaotic. At Sequoia Lodge a CM will bring you to a table and then you get your food.
I dont do character meets either
The first thing I do in EMH is take photos of an empty Main Street and The Castle. You will get amazing photos with no people in the back grounds. Also on Main Street, look out for the transportation vehicles. This is a fun way to get to The Castle. One morning I got a ride in a fire department vehicle
Fantasy Land and Discovery Land are open during EMH but not all rides or shops. I took amazing photos of an empty Fantasyland, other side of The Castle.
When I was there in February 2016 the following rides were open in Fantasyland
The Carousel
Dumbo
Teacups
Pineochio
When I was there in February 2016 the following rides were open in Discoveryland
Buzz
Orbitron
Space Mountain
They have a rope closing off the lands not open in EMH. At 10 am, when the gates open for general public, the ropes are dropped in the closed lands. This means that anyone in the park during EMH can be first on a ride while the general public are rushing down Main Street
One my first EMH at about 9.45am I went over to Adventureland entrance beside Pirates. I was in the front of the first boat , basically the first person on Pirates that morning
On my second EMH, I lined up at Autopia in Discoveryland at 9.45am. At 10 , when the ride opened, I was in the first rotation of cars. When I came out, I saw the wait time was already up to 40 minutes, at 10.15 am!!
Another thing I did during EMH was pin trading with the CM's in the shops in Fantasyland and Discoveryland