Edit Page Last Edit: June 14, 2015 - 1 year 10 months ago. IGN's ARK: Survival Evolved guide has for every hidden item in ARK: Survival Evolved. This collectibles page is a stub. Make it more useful by clicking the Edit button and adding your own text, pictures, lists, maps, and videos!
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.
Canine Sleep Behavior. There's no doubt about it: dogs sure know how to sleep. The amount of time spent napping varies from dog to dog and depends on the dog's age and personality. Counting little naps and longer snoozes, most dogs sleep about fourteen hours a day. Nobody is sure why dogs sleep so much. The amount of sleep that an animal needs depends upon its species. Horses and cows may sleep only three or four hours daily, because they require long hours of grazing to supply their bodies with sufficient food. Bats and opossums may sleep closer to 20 hours.