TL;DR: Crying or barking during sleep is typically a normal part of a dog's REM cycle, but you should consult a vet if it is accompanied by rigidity or disorientation. Recording a video of these episodes is the best way to help your veterinarian differentiate between dreaming and medical issues like seizures.
What is sleep vocalization in dogs and is it normal?
It can be distressing to hear your dog whimpering, barking, or crying out during the night, but in most cases, this is a normal part of their sleep cycle. During the REM (Rapid Eye Movement) stage of sleep, dogs often process their daily experiences through dreams. These vocalizations, accompanied by twitching paws or fluttering eyelids, are typically just a sign that your pet is having a vivid dream about chasing a ball or playing in the park.
Is it an emergency if my dog cries or whimpers in their sleep?
- Urgency Level: Low. Crying out while sleeping is rarely a medical emergency.
- Most dogs will settle down naturally or wake up fully alert without any lingering issues.
- Schedule a routine appointment with your veterinarian if the crying is accompanied by physical rigidity or loss of bladder control.
- Seek professional advice if your dog seems disoriented for several minutes after waking to rule out underlying neurological conditions or pain.
Why is it helpful to record a video of my dog's sleep behavior for the vet?
- Since these episodes happen in the comfort of your home, your veterinarian cannot observe them firsthand.
- Providing a clear video allows a professional to analyze the dog's body language and the specific nature of the vocalization.
- Visual evidence is crucial for differentiating between normal dreaming and more serious concerns, such as focal seizures or sleep disorders.
- A recording ensures your pet receives the most accurate assessment possible during their triage or consultation.
Clinical Context (Merck Veterinary Manual)
In cases where the diagnosis of pulmonary edema is uncertain in a stable dog, monitoring the sleeping respiratory rate (SRR) at home in a cool environment is valuable. An elevated SRR (above 30 breaths/min) in a sleeping dog may indicate pulmonary edema. If the SRR is increased, administration of furosemide (at least 2 mg/kg, PO, bid) is warranted. A subsequent decrease in SRR following furosemide administration can support a diagnosis of left heart failure. Underlying neurologic disorders may also manifest as pain.
Chapter: Cardiology
Source: The Merck Veterinary Manual, 11th Edition (Page 102)