How long can a puppy stay in a crate? Five sources compared
Puppy crate limits from five guides, side by side at 8 to 20 weeks, plus why the caps relax at night only when an adult sleeps within earshot.

Puppy crate limits from five guides, side by side at 8 to 20 weeks, plus why the caps relax at night only when an adult sleeps within earshot.

Sample crate training days for puppies at 8, 12 and 16 weeks, split between two adults, with the meal-to-trip window of 10 to 15 minutes built in.

Night crate training for 2- to 6-month-old puppies: alarm times for an 8-hour night, a workday break plan, and when the crate can leave your bedroom.