At this age, pacing at night can be the result of abnormal sleep/wake cycles brought on by hormonal development and fluctuations. Spaying and neutering will often help this phenomenon, however, spay and neuter prior to 6 months of age is not recommended. “Colic” from intestinal parasites is another reason a dog this age may have sleeplessness and evening anxiety. Please see the article below on this disease. If you still seek further information, please visit our
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