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For many cat lovers, there’s nothing quite like having a furry friend curled up beside them at night. The soothing purrs and gentle warmth at your feet can feel like a nightly act of love and trust.
But as comforting as this bedtime routine may be, it’s worth knowing that letting your cat share your bed comes with some hidden risks to your health, your sleep, and even your wallet.
Why So Many People Sleep with Their Cats
Across the U.S., Latin America, and beyond, it’s perfectly normal to invite a cat into your bed. And the reasons are easy to understand:
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Cats offer a sense of comfort and reduce anxiety.
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Their presence can help people living alone feel safer.
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Nighttime cuddles reinforce the bond between cat and owner.
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Cuddling with a pet can even trigger the release of oxytocin—the “love hormone”—which boosts mood and promotes relaxation.
What You Might Not Expect: Health Hazards
Even if your cat is clean and well cared for, there are certain health concerns to keep in mind:
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Zoonotic infections: Cats can carry illnesses that pass to humans, such as Cat Scratch Disease (causing fever and fatigue), Toxoplasmosis (dangerous for pregnant women and those with weak immune systems), ringworm, and parasites like tapeworms.
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Parasites: Fleas and ticks sometimes hitch a ride on your pet—even if you use preventative treatments. They can end up in your bedding, causing allergic reactions or even spreading diseases.
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Allergens: Cats produce a protein (Fel D1) found in their saliva and skin that easily becomes airborne. Even people who don’t think they’re allergic can experience sneezing, congestion, or asthma from sharing a bed with a cat.
Sleep Disruption
Cats may look peaceful, but they’re naturally more active at night.
If your cat is prowling, kneading your blanket, or pouncing at your feet in the early hours, you’re probably not getting the best rest. Poor sleep can lead to irritability, fatigue, and difficulty focusing during the day.
Unexpected Expenses
Treating cat-related illnesses—such as toxoplasmosis or flea infestations—can lead to high medical bills, especially where healthcare costs are steep.
Even regular vet visits, parasite prevention, and extra cleaning supplies can add up over time.
How to Co-Sleep Safely with Your Cat
You don’t have to keep your cat out of the bedroom altogether. These tips can help minimize risks while preserving the nightly snuggle:
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Schedule regular vet checkups, keep vaccines current, and stay on top of deworming.
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Wash your sheets weekly in hot water and vacuum your mattress every couple of weeks.
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Brush your cat often, and clean their paws—especially if they go outdoors.
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Run an air purifier in your bedroom and keep windows open when possible for fresh air.
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Consider setting up a comfy pet bed right next to yours, so your cat can stay close without sharing your pillow.
Regional Differences in Risk
While the health risks are similar everywhere, your level of exposure can vary. In countries with easy access to veterinary care and strong parasite prevention, the risks are much lower.
In warmer regions with more stray cats or outdoor pets, the chance of disease transmission increases.
There’s nothing wrong with sharing your bed with a cat—just be aware of what comes with it, and take a few extra steps to protect both yourself and your feline friend. That way, you can enjoy your bedtime cuddles with peace of mind.
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