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Why is my 9-month-old Lab suddenly lethargic and sleeping all day?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | unneutered | 8 months and 19 days old | 66.13 lbs

My 9 month old lab is suddenly inactive and sleeps most of the time. His diet is fine, he eats the food. but suddenly he is inactive and sleeps for the whole day and night what might be the reason please help

1 Answer

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on March 14th, 2019

Rambo could have a number of problems that could cause lethargy - anemia, tick borne diseases or other infections could make him seem sleepier than usual. I would recommend having your vet examine him - they may recommend checking some blood work as well.

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1Pet Parents found this answer helpful

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