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Sleep can follow a physiological or behavioral definition. In the physiological sense, sleep is a state characterized by reversible unconsciousness, special brainwave patterns, sporadic eye movement, loss of muscle tone (possibly with some exceptions; see below regarding the sleep of birds and of aquatic mammals), and a compensatory increase following deprivation of the state, this last known ...
Torpor is a state of decreased physiological activity in an animal, usually marked by a reduced body temperature and metabolic rate.Torpor enables animals to survive periods of reduced food availability. [1]
Naproxen (Aleve)* has a long half-life in dogs and can cause gastrointestinal irritation, anemia, melena (digested blood in feces), and vomiting. [175] Antifreeze* is very dangerous to dogs and causes central nervous system depression and acute kidney injury. Treatment needs to be within eight hours of ingestion to be successful. [174]
Middle-of-the-night insomnia, or "sleep maintenance insomnia", also called terminal insomnia in contrast with "initial insomnia", is characterized by having difficulty returning to sleep after waking up during the night or very early in the morning. Initial or "sleep-onset" insomnia consists of having difficulty falling asleep at the beginning ...
Chronic insomnia lasts for longer than a month. It can be caused by another disorder, or it can be a primary disorder. Common causes of chronic insomnia include persistent stress, trauma, work schedules, poor sleep habits, medications, and other mental health disorders. [106]
Dogs exhibiting the happy right variety are deemed approachable, while the lefty waggers are not. Number 4: Tail shaking is an acquired skill. Puppies begin to learn the ins and outs of it when ...
Psychophysiological insomnia is anxiety-induced. Idiopathic insomnia generally begins in childhood and lasts for the rest of a person's life. It's suggested that idiopathic insomnia is a neurochemical problem in a part of the brain that controls the sleep-wake cycle, resulting in either under-active sleep signals or over-active wake signals.
Sudden acquired retinal degeneration syndrome (SARDS) is a disease in dogs causing sudden blindness. It can occur in any breed, but female dogs may be predisposed. [1] Approximately 4000 cases are seen in the United States annually. [2]