How to sleep a puppy dog
In many ways, getting a new puppy is just like having a baby in the house. They are cute and fun to cuddle or play with, but also poop a lot and throw occasional tantrums. Everyone has heard horror stories about parents kept awake all night by an unhappy baby. Luckily for you, getting a puppy to sleep through the night is usually pretty easy!
Like their human counterparts, dogs are most active during the day and naturally prefer to sleep at night. Even if they take frequent naps, they will still usually go into a deep, extended sleep at night. Your puppy will already be started on this activity cycle when he comes home, although like other baby animals, he may not be able to hold his bladder very well at first.
source
