My 12-week old Maltipoo puppy is very playful, happy and energetic in the mornings. But, from late afternoon throughout the evening, she is very restless, doesn't want to play and can't seem to settle down. During these times, I try to play with ...

Do small puppies require more sleep than larger puppies? I have a 12 week maltipoo. How much sleep does she require now and in the future?