How to get a puppy to fall asleep at night. Take him to short walk in that case and bring him back to home and then put him in to his crate. Your presence will provide a sense of security that will help them fall asleep better at night. If this is the case he will let you know it by crying and fussing over it.
You can also comfort your puppy by placing their crate in your room. Additionally to help your puppy sleep through the night make sure their bed is warm and comfortable. Try to get puppy sleeping in crate.
Dogs also like having a good sleeping environment so lay out a dog bed or give it a comfy blanket in its crate. Young puppies usually find it difficult to fall asleep. To get your dog to sleep make sure to let your dog out to go to the bathroom right before bed so that it doesnt wake up in the middle of the night wanting to go outside.