The 12 Hallmarks of Aging in Dogs, Explained
Read full insightDog Pacing at Night
By La Petite Labs Editorial 15 min read
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A dog pacing at night may be uncomfortable, need to go outside, feel anxious or have a change in brain function. Sudden distress and a familiar pattern of nighttime waking need different responses. Start with how your dog is breathing, whether there is retching or abdominal swelling, and what else changed; do not assume that age makes the pacing harmless.
Nighttime pacing is a behavior with several possible causes. Breathing difficulty, collapse or retching with little produced needs urgent attention. Recurring waking deserves an assessment of pain, toilet needs, medical changes and cognition, with home observations helping to explain what the appointment may not show. Comfortable access, a familiar routine and a workable treatment plan can support rest without treating every older dog as a dementia case.
First, distinguish a restless night from an emergency
Pacing with repeated attempts to vomit that produce nothing, a swollen abdomen, drooling or collapse needs emergency veterinary attention. These can be signs of gastric dilatation-volvulus, in which the stomach expands and may twist. It is a rapidly progressing emergency. 1
Difficulty breathing also takes priority: marked belly effort, an extended neck, blue-tinged gums or weakness are reasons to head for emergency care. Call ahead if possible. If you cannot tell whether the breathing is abnormal, seek veterinary triage rather than trying a sleep remedy first. 2
Even without these signs, a sudden, persistent change in a dog who cannot settle warrants a call for advice that night. Describe the onset and accompanying behavior, rather than labeling it anxiety or dementia.
A dog heading for the door may need more than a later walk
Some dogs wake because they need to urinate or defecate. Medical changes can increase that need or make it harder to maintain the control they previously had. A nighttime toilet trip can meet the immediate need while the reason for a new pattern is investigated. 3
Notice whether your dog actually passes urine or stool, and whether there is straining, discomfort or an unusual amount. Report trouble passing urine promptly. A new accident is information about your dog, not evidence of deliberate misbehavior.
Pain can interrupt rest without an obvious limp
A dog may still complete a daytime walk yet struggle to get comfortable at night. Veterinary behaviorist Theresa DePorter describes pacing, panting and vocalizing as possible expressions of nighttime discomfort, sometimes without an obvious daytime limitation. 3
Watch the movement between positions: lowering onto the bed, getting up again, turning, then abandoning the spot. Mention changes in stairs, jumping or being touched as well. You do not need to find a painful joint yourself to provide a useful account.
What pain treatment changed in an actual dog study
Researchers reanalyzed activity-monitor records from 15 dogs with osteoarthritis. Each dog had received the pain medicine meloxicam and a placebo in separate two-week periods. Analysis of the daily activity pattern found less movement overnight on medication, consistent with better rest. 4
The monitor measured movement, not brain-defined sleep stages, and the questionnaire’s pacing item did not significantly improve. The finding supports investigating pain as a contributor to disturbed rest; it does not mean a pacing dog should automatically receive this medicine. A treatment that fits diagnosed arthritis answers a different problem from a sedative given only to make the house quiet.
Listen to what changes when the house gets quiet
Nighttime anxiety may relate to sounds or changes that are easier to notice once the household settles. Storms, activity outside or another animal can matter. A dog’s pacing may be the visible part of that response. 3
Look for a repeatable connection: the washing machine finishing, a delivery outside, a family member going upstairs. If the dog settles comfortably in another familiar room, include that observation in the history. It suggests something worth investigating without proving that the problem is entirely behavioral.
A dog may still finish a daytime walk yet struggle to get comfortable at night.
Cognitive dysfunction affects more than bedtime
Canine cognitive dysfunction is an age-related decline in brain function that can change orientation, social behavior, learned habits and the sleep–wake pattern. A dog may become lost in a familiar room, stop signaling to go outside or seek contact differently as well as pacing at night. 19
A sleep complaint can bring these quieter changes into focus. Think across the day: has your dog become stuck behind furniture, waited at the wrong side of a door or responded differently to familiar people? These observations help an assessment; one difficult night does not establish dementia.
“Sundowning” describes timing, not a complete diagnosis
Owners sometimes use sundowning for confusion or agitation that becomes worse in the evening. The term can describe a pattern seen with cognitive decline, but nighttime pacing also occurs with pain, anxiety and other medical problems. 3 6
Write down whether trouble starts before sleep, after several hours asleep or toward morning. That is more precise than the label alone. If a dog with diagnosed cognitive dysfunction suddenly develops a new kind of distress, describe it as a new change rather than assuming every future symptom belongs to the diagnosis.
Sleep research goes beyond counting hours on a bed
In a 2023 study, researchers recorded brain activity, eye movements and other signals during afternoon naps in 28 senior dogs. Dogs with higher dementia questionnaire scores spent less of the recording in both non-REM and REM sleep. Non-REM includes slower brain-wave sleep; REM is a different stage identified partly by rapid eye movements. 7
The recordings lasted up to two hours in a research room, not an entire night at home. They show a relationship between cognition and sleep structure. They also explain why being motionless and sleeping well are not interchangeable measurements.
A normal blood panel does not answer every sleep question
The clinical assessment brings together the history, physical and neurological examination, and tests suited to the findings. Blood and urine testing can reveal medical contributors, while pain, sensory changes and behavior still need their own assessment. Cognitive dysfunction is considered alongside other possible explanations. 5
Bring the earlier results rather than simply reporting that “everything was normal.” Tell the clinician whether the pacing is new, has changed since those tests or now comes with coughing, altered appetite or toilet changes. That makes it easier to decide which part of the assessment needs updating.
Show the movement the clinic may never see
A brief video can capture behavior that disappears during an appointment. Film a natural attempt to lie down or move across the room, with enough space to see the whole dog. Do not provoke the behavior or delay urgent care to record it. Veterinary pain guidance specifically recognizes photos and short videos as aids to assessment. 8
Cognitive dysfunction can change orientation, social behavior and learned habits as well as sleep. Nighttime pacing is one part of that wider pattern.
DVM Voice: Clinical Vignette of a Common Pattern in Senior Dog Aging
Case provided by JoAnna Pendergrass, DVM
Rex, a 7-year-old Labrador Retriever, was brought in after his owner noticed he was slower to rise, hesitant on stairs, and less able to play as before. Examination showed stiffness and reduced hip mobility; radiographs confirmed degenerative joint changes.
His care required weight management, veterinary-guided pain control, nutritional support, and rehabilitation — a comprehensive plan, but one started only after visible decline appeared.
Clinical takeaway: Rex’s case reflects the value of proactive aging support: maintaining lean body condition, monitoring mobility early, and supporting cellular resilience, antioxidant defense, and healthy inflammatory balance before decline becomes obvious.
Single-case vignette. Not generalizable. Veterinary oversight is essential for pain, stiffness, or suspected joint disease.
Make the route back to bed easier
A familiar bed, a visible route and protection from unsafe stairs can help a dog navigate the night. Cornell’s senior-dog guidance recommends nightlights and blocking places where a disoriented dog could become trapped. It also favors keeping familiar furniture and bowls in place. 6
Think about the whole trip rather than buying a bed alone. Can your dog reach the resting place without jumping, cross the floor securely and get back from the door? Keep the arrangement comfortable for this dog; a smaller enclosed space is useful only if the dog is relaxed there, not struggling to escape.
Give daytime activity a comfortable shape
Predictable meals and opportunities to go outside make the day easier to follow. Gentle sniffing walks or familiar food activities can provide engagement adapted to a senior dog’s abilities. A late toilet opportunity may also remove one reason for waking. 6
This does not require exhausting an older dog into sleep. Choose activities the dog can complete comfortably, and let a painful or breathless dog’s treatment guide the exercise plan. A quieter evening should not come at the expense of a harder morning.
Different medicines address different parts of the problem
Pain relief, anxiety treatment and treatment for cognitive dysfunction are distinct decisions, even when the complaint is the same sleepless night. A veterinarian may address more than one contributor and needs the full list of current medicines and supplements. 5
If a prescribed treatment leaves your dog very drowsy, unsteady or still distressed, report that response with the dose and administration time. Do not add an extra dose to compensate for another bad night. The review needs to consider comfort and function as well as the number of times you were awakened.
A human sleep product is not a simple shortcut
Melatonin is sometimes discussed for dogs, but evidence for its effects is limited and product choice belongs in the veterinary plan. 6 Read the entire ingredient list, not just the word melatonin on the front.
The FDA warns that some human supplements and over-the-counter products contain xylitol, which can cause dangerous low blood sugar in dogs. Suspected ingestion needs an immediate call to a veterinarian or poison service. 9 Human medicines and medicines prescribed for another pet should also be kept out of the nighttime experiment. 10
Record what woke the household
A useful note is short enough to make at 3 a.m.: “Woke coughing, walked between the bed and door, urinated outside, then settled for an hour.” It preserves the sequence without requiring you to diagnose it.
For recurring trouble, add when the evening medicines were given and what was different the following morning. Bring a few representative nights to the review, including a better one if there was one. The contrast may reveal details that disappear in a general description of “pacing all night.” A video or record supports the conversation; neither needs to become another burden that keeps you awake.
What Hollywood Elixir brings to the daily meal
Hollywood Elixir brings 17 actives to an adult or senior dog’s healthy-aging routine. The formula combines NAD+ building blocks, cellular-energy nutrients and antioxidant ingredients in one powder for food. It supplies daily nutrition; it is not a sleep medicine or a treatment for nighttime pacing.
The energy side starts with NR tartrate and niacin, ingredients used in making NAD+. During nutrient breakdown, NAD+ accepts electrons and becomes NADH. Those electrons can enter the mitochondria’s energy-producing chain, where CoQ10 helps carry them onward as the cell makes ATP, its usable energy supply. Riboflavin and other B vitamins have supporting metabolic roles. This is why precursor nutrition and energy cofactors belong in the same formulation. 13 14 15
Antioxidant chemistry works alongside that energy conversion. Reduced glutathione participates in reactions that break down hydrogen peroxide. Another enzyme recycles the used glutathione with help from NADPH and FAD, a cofactor made from riboflavin. Including glutathione and riboflavin connects antioxidant action with the machinery that renews it. 16 17 18
The wider recipe includes vitamin B6 as P5P, vitamin B12 as methylcobalamin, astaxanthin, vitamins C and E, resveratrol and quercetin, plus reishi extract, yeast beta-1,3/1,6-glucan, spirulina, blueberry and whey protein isolate. Together with NR tartrate, niacin, riboflavin, CoQ10 and reduced glutathione, these make the full 17-active selection. The Hollywood Elixir ingredient guide shows the preparations and amounts; our NAD+ for dogs guide explains the biology in more detail. 12
For an owner choosing these complementary nutrients, the practical value is one complete preparation to add to the usual meal, using the current dog serving directions.
Your lost sleep belongs in the care conversation
Tell the veterinary team if disrupted nights are making work, driving or family care difficult. The AAHA senior-care guidelines explicitly recognize caregiver burden and the need to build a plan the household can carry out. Sleep disturbance can deserve attention early because it affects the ability to manage everything else. 11
A specific account helps: who can handle a toilet trip, whether another adult can cover part of the night, and which tasks are becoming impossible. Asking for a more workable plan is part of looking after the dog. It does not require pretending that exhaustion is simply a shortage of patience.
Aim for a dog who can settle comfortably
The goal is more than an end to footsteps. Your dog should be able to rest, move safely when awake and return to ordinary needs without distress. The route there depends on what is keeping the dog up: pain needs pain care, a toilet problem needs investigation, and cognitive or anxiety changes need an appropriate plan.
Start with the change you can describe tonight, get the urgency assessed, and bring the pattern into the follow-up. For daily healthy-aging nutrition, explore Hollywood Elixir’s complete formula and directions. One prepared portion brings its 17 actives to the feeding routine without assembling separate powders.
A quieter house is not the only goal: the dog should also be comfortable and able to move safely when awake.
Educational content only. This material is not a substitute for veterinary advice. Always consult your veterinarian about your dog’s specific needs. These statements have not been evaluated by the Food and Drug Administration. Products mentioned are not intended to diagnose, treat, cure, or prevent any disease.
Glossary
Cognitive dysfunction — An age-related decline in brain function that can affect orientation, habits, interactions and sleep.
Sleep–wake pattern — The distribution of sleeping and waking across the day and night.
Sundowning — A descriptive term for behavioral difficulty that worsens in the evening; timing alone does not establish its cause.
Polysomnography — Recording several body signals together to identify sleep and its stages.
Non-REM and REM sleep — Different sleep stages, distinguished through brain activity and other signals, including eye movements.
Caregiver burden — The practical, emotional and physical strain of caring for an animal with ongoing needs.
Related Reading
Aging & Senior Dog Guidance
• Dog Age Calculator
• Dog Lifespan by Breed
• Dog Dementia
• Lethargy in Dogs
• My Dog Won't Eat
• Dog Pacing At Night
• Dog Licking Paws
• Can Dogs Dehydrate
Healthy Aging Support
• NAD+ for Dogs
• NMN for Dogs
• Antioxidants Supplements for Dogs
• Best Senior Dog Supplements & Vitamins
• Rapamycin for Dogs
References
Numbered references identify the sources used for specific claims. Read the study design, species and evidence boundaries alongside each finding.
- [1]
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[2]
Patricia Smith and Aly Cohen. Recognizing and responding to canine respiratory distress. 2025Species/context: dog↩
- [3]
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[4]
Margaret E. Gruen, David R. Samson and B. Duncan X. Lascelles. Functional linear modeling of activity data shows analgesic-mediated improved sleep in dogs with spontaneous osteoarthritis pain. 2019Species/context: dog↩
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[5]
AAHA. Managing Cognitive Dysfunction and Behavioral Anxiety. 2023Species/context: dogs and cats↩ 1 · ↩ 2
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[6]
Cornell Riney Canine Health Center / DogWatch. Senior dog dementia. n.d.Species/context: dog↩ 1 · ↩ 2 · ↩ 3 · ↩ 4
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[7]
Alejandra Mondino et al. Sleep and cognition in aging dogs. A polysomnographic study. 2023Species/context: dog↩
- [8]
-
[9]
US Food and Drug Administration. Paws Off Xylitol; It’s Dangerous for Dogs. n.d.Species/context: dog↩
-
[10]
US Food and Drug Administration. Potentially Dangerous Items for Your Pet. n.d.Species/context: dogs and cats↩
- [11]
- [12]
- [13]
- [14]
- [15]
- [16]
- [17]
- [18]
- [19]
FAQ
When is nighttime pacing an emergency?
Seek urgent veterinary care for breathing difficulty, collapse, or repeated attempts to vomit that produce little or nothing, especially with abdominal swelling. For sudden persistent distress without a clear cause, call for triage that night rather than trying a sleep remedy first.
Does nighttime pacing mean my dog has dementia?
No. Cognitive dysfunction can disturb sleep, but pain, toilet needs, anxiety and other medical problems can also wake a dog. Changes in orientation, interaction and learned habits help build the clinical picture.
Can pain keep my dog awake even without limping?
Yes. Some dogs show difficulty settling or repeated position changes at night without an obvious daytime limitation. A short video of natural movement and the history of any mobility changes can help the veterinarian assess this.
How long should I wait before getting help?
Sudden distress needs prompt triage. For recurring pacing, arrange veterinary assessment rather than waiting a fixed number of weeks or assuming it is normal aging. Describe when it began and whether breathing, appetite, movement or toilet habits have also changed.
What can I change at home tonight?
Once urgent needs are addressed, offer a comfortable familiar resting place and an easy, safe route for a toilet trip. A nightlight and protection from stairs or trapping spaces can help some senior dogs. Keep the arrangement calm and avoid scolding a dog who cannot settle.
Can I give my dog melatonin or a human sleep aid?
Discuss the specific product with your veterinarian first. Evidence for melatonin is limited, and some human supplements contain xylitol, which is dangerous to dogs. Suspected xylitol ingestion needs immediate professional advice.
What does Hollywood Elixir add to a senior dog’s daily nutrition?
Hollywood Elixir combines 17 actives in one powder for food. NAD+ building blocks, cellular-energy nutrients and antioxidant ingredients bring complementary nutritional roles to the daily meal. Review the full formula and current dog serving directions alongside the established feeding plan.
What if the dog’s disrupted sleep is exhausting the family?
Tell the veterinary team how often you are awake and which parts of care are becoming difficult. A workable plan should consider the dog’s comfort and the household’s ability to provide care. Sleep loss deserves attention in that conversation.
Discover LPL-01: How This Fits Into a Larger Canine Longevity System
Aging in dogs is not driven by a single pathway. It’s the result of interacting biological systems—energy metabolism, oxidative stress, immune signaling, and structural integrity—changing over time.
This article explores one piece of that puzzle. If you want to understand how these pieces connect—and what actually moves the needle—you need to zoom out.
Start with the underlying science:
- Canine Geroscience Framework →
A structured view of how aging progresses across cellular energy, inflammation, and resilience systems. - Senior Biological Defense Coverage (BDC) Modeling →
A systems-level map of which biological pathways decline first, and how layered interventions can support them. - 2026 Market Research: Best Dog Longevity Supplements →
A 2026 industry report and review of leading senior-dog and cellular-aging formulas. - LPL-01 Standard →
The formulation system that translates these models into real-world supplementation—covering multiple pathways in a coordinated way.
Keep exploring
What would you like to understand next?
Search practical guides about healthy aging, cellular energy, ingredients, and daily support for dogs.
Essential Summary
Find what is interrupting comfortable rest
Assess sudden distress promptly, especially with breathing difficulty, unproductive retching or collapse. For repeated waking, describe the sequence: getting comfortable, coughing, seeking the door, wandering or becoming confused.
Hollywood Elixir combines 17 longevity actives in one powder for food. NAD+ building blocks, cellular-energy nutrients and antioxidant ingredients bring complementary nutritional roles to the daily meal.

Hollywood Elixir® Senior Dog Supplement
17 science-backed actives in every sachet
Supports senior energy, mobility & cognition
60-day first-box guarantee
Hollywood Elixir is amazing! She put back on 5 lbs to a healthy weight, her eyes are shiny, her coat is beautiful!
— Jessie
We go on runs. Lately he's been keeping up with no problem!
— Cami
Daily Healthy-Aging Nutrition
17 longevity actives. One daily routine.
Hollywood Elixir brings NAD+ building blocks, cellular-energy nutrients and antioxidant ingredients together in one powder for food. Explore all 17 actives and the current dog serving directions, then fit the prepared portion to the usual meal.

Hollywood Elixir® Senior Dog Supplement
17 science-backed actives in every sachet
Supports senior energy, mobility & cognition
60-day first-box guarantee
Learn about how our DVMs think about dog aging
Dr. JoAnna Pendergrass DVM

Hollywood Elixir® Senior Dog Supplement
17 science-backed actives in every sachet
Supports senior energy, mobility & cognition
60-day first-box guarantee
Explore your dog’s changing needs over time
Related Reading
Why night pacing starts, from pain to anxiety, cognitive decline, or disrupted sleep cues, what to rule out with your vet, and home changes that restore rest.










