Puppies and older dogs tend to sleep more than adult dogs. Puppies, in particular, can sleep up to 18 hours a day due to their active playtime.
Different dog breeds have varying activity levels and sleep requirements. Some breeds are known for being "lazy dogs" and sleep longer hours.
Psychological factors like stress and anxiety can lead to increased sleep. A dog in distress may become lethargic and nap more frequently.
Dogs with active tasks or jobs will naturally spend more time awake and engaged. Working dogs, for example, require less sleep than others.
This medical condition can result in reduced metabolic activity, causing a dog to appear lethargic and sleep more. Certain breeds are more susceptible to hypothyroidism.
Dogs with diabetes may sleep more due to imbalances in their blood sugar levels. Specific breeds are more prone to this condition.
Infections like leptospirosis and parvovirus can make dogs feel weak and fatigued, leading to increased sleep.
Bloodsucking parasites such as roundworms, hookworms, whipworms, and tapeworms can cause anemia, resulting in fatigue and extended rest.
Ingesting toxic substances, either by accident or due to unwise feeding, can have severe effects on a dog's health, including increased sleepiness.
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