I have no interest in paying someone to sleep. I also look and feel awful in the morning and am better off left alone. Nor do I want to see anyone with Bed Head and Morning Breath.
That said, the requirements you list seem reasonable for those who want this service.

splurging on an overnight provider date expect a scenario like you describe.  It's going to be playtime until both of you have run out of steam and need a rest.  Otherwise, what is the point of staying overnight and paying to watch her sleep?  If a provider wants 7 hours of sleep in a 12-hour overnight for which she is charging for 12 hours, why not just book a two-hour session at 9:00p, then book another two hours in the morning.  This way, both parties would get MOST of what they want out of an overnight.  I would not consider a provider offering an overnight session on condition of a certain minimum number of sleep hours.  I think the way you approach this will more likely result in a happy customer who would repeat the experience.

Some guys want the girlfriend experience of having warm body in bed cuddling overnight. Some guys just want the sex. Expectations just need to be aligned so both parties have a good time.

I love them, when the person I'm with is someone I genuinely like being with.   They are pricey, but some providers price themselves so that it is affordable for me.

 
One thing I really like is not worrying about the clock, and having time to just relax and enjoy the time.    I live alone, so I'm also able to cook a meal for us which I love doing.

I've done it only 3x, 2x with the same lady. One was actually a weekend away. Sometimes separate rooms, sometimes not, always separate beds, but not a laundry list of rules and demands otherwise.  

I didn't have that much more sex (at my age there's only one bullet in the barrel most nights), and we didn't do anything particularly extravagant. For me it was largely about enjoying the evening without having to get it all done in an hour.  The lady who accompanied me on my last 2 outings was sweet and charming and it turns out we never ran out of things to discuss. Each time was just a nice way to spend some relaxing time with a gorgeous woman, secure in the knowledge that hot sex awaited me at the end of the evening.

And yes, SB rates are not what providers charge, but that goes without saying.  

 
The benefit is that we can fuck at night and then fuck again in the morning... I even make her nice breakfast of fruit, eggs, carbs of her choice, and hot beverage of her choice..  

 
My only requirement is that she will sleep in the guest room, and I will sleep in my own bed like the King Sir that I am.. I cannot stand another warm body (or cold one) sleeping next to me... Gives me tremendous anxiety.  I seriously cannot sleep next to another person...

It's health limitations or whatever they are dealing with.
You're right about  choosing a provider that best fit what you require.  
All my overnight are discussed.  Sometimes I have to go by 6 AM in the morning  for example, another time  she may not be able to come to me sooner than 8 PM for example. Another time we may have not have a time constraint. Discuss these things prior and let you session flow freely. I love the no time constraint ones the best.

I 100% agree

I absolutely agree!!! If everyone is respectful and all that jazz I don't need all that extra time and to be really honest I don't sleep well away from home in general, so I am certainly not going to demand 7 hours of bad sleep time.  If it was a whole week long booking (in my dreams) then I would understand that need but for an overnight, I just need to be hydrated and given advanced notice.  
I have noticed what seems like people who do this and dont enjoy it. I think its a privilege and just a lot of fun. Why ruin it by adding complexity lol,  I love being a princess but I am not a pillow princess. LOL

3 rounds of fun before going to sleep.

1 round at 2 to 3 am.

Another round at 8 am.

My requirements are
  --Show up on time.
  --Have the exact amount of cash.
  --Don't have an attitude with me.
  --Learn to read my full AD & read my full profile before contacting me, Cause it'll cost you  
    either way.  
 --Don't ask stupid questions.

Oh hell no on those requirements

From someone who's done a few overnights, especially in Vegas.... here's my deal. I always lay it on the line when I set something up.
But most overnights have been with someone I've known so with that, they know my rambunctious nature. They know they won't go to bed till 4,5,6am. If they turn into a pumpkin at 12am, then I'm not having them for an all nighter. There'll be no private room. No alone time unless she's taking a shit, but in all fairness I did see one young do a dump in front of me. And you can fuck the 7 hrs sleep. And whatever sleep we do get in, I'm snuggled up to her doing a morning bump and grind. And if she wants to sleep, we'll rent a daybed at the pool and she can nap there.
But as long as I lay it out on the line, and they're cool...then we'll have no problem. And so far...I've had a good ride