does not include much play or petting--other than some praise when they go potty outside. then put them right back in the crate.
ignore any other whining once you are sure that they have food, water, and potty needs met. eventually your puppy will just adjust to going in the crate at night for bed time.
after a few weeks of sleeping in their crate at night, you will find that you can put him in the crate and leave him for short periods during the day as well. just remember to start with very short periods of alone time, extending only as they are ready. never let your dog out of 