Sleep downstairs if you can for the first 3 or 4 nights (it's worth it honest)
Crate puppy with the door shut, put a puppy pad at the front of the crate and arrange the bedding at the back. Pup will only use the puppy pad if really really desperate.
If pup cries or scrabbles at the crate in the night, let her outside for a toilet but don't talk/play/interact with her except to praise if she goes. Pop her back in the crate and ignore whilst she settles down again.
We made the MISTAKE of leaving our first pup's crate door open the first few days in a small room (only about 4ft x 5ft) and she just soiled everywhere and then trod in it and messed it up the walls etc
she had to have paw baths then it was vile!
After talking to the breeder we were given the above advice and after about 3 nights she was sleeping through, did the same with Jake a few weeks ago and I was back in my own bed after 2 nights with him sleeping from 11 - 5!
last feed is around 6pm and water available til about 10pm.
You can always use a long lead in the garden for the toilet, that's what I do most of the time for our pup