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The average dog sleeps for about 12 to 14 hours per 24-hour cycle. Thatâs just the beginning, though. Puppies, who expend a lot of energy exploring and learning may need as much as 18 to 20 hours.ne theory: Unlike humans who generally stay up all day and then sleep for one long stretch at night, spending as much as 25 percent of their sleep in Rapid Eye Movement (REM) Click to learn more sleep, dogsâ shorter sleep stints mean just about 10 percent of their snoozing is REM.
Determining Normal Sleep Habits. As shown in the accompanying infographic, the average dog will sleep 12-14 hours per day. If your dogs have adjusted to your sleep patterns, which most do eventually, theyâre sleeping around eight hours at night. So the other four to six hours required will occur during the day in the form of naps. Determining just how long those naps should last for each dog will vary by the type of dog.