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    • Is it normal for a dog to sleep all day?

      Is it normal for a dog to sleep all day?

      PetsRadar via AOL· 7 hours ago

      While we expect dogs to sleep a large majority of their day, excessive levels of sleep could indicate an underlying health issue. If your dog is sleeping...

    • What Is Polyphasic Sleep?

      What Is Polyphasic Sleep?

      Health via Yahoo News· 6 days ago

      Polyphasic sleep increases awake time by dividing sleep into three or more naps. Some claim the sleep pattern improves productivity, but research is...