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Sleeping with more than one pillow may have an unexpected health risk

Nypost · · 513 words · By Rachel Sacks
open_in_new Read the original article: https://nypost.com/2026/05/11/health/sleeping-with-more-than-1-pillow-may-have-u…

fact_checkFact-Check Results

10 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

check_circle Corroborated 5
verified Verified By Reference 2
help Insufficient Evidence 2
info Single Source 1
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“Propping up the head with an additional pillow may provide temporary relief from sleep apnea, acid reflux or sinus pressure.”
CORROBORATED
Multiple web search results confirm that elevating the head (via wedge pillows or bed elevation) helps relieve symptoms of sleep apnea and acid reflux. One source specifically mentions sinus pressure/nasal congestion.
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web search NEUTRAL — The Helix Wedge Pillow helps relieve pain and pressure with a conforming layer of gel-infused memory foam, while the 10-inch incline can help reduce symptoms of sleep apnea and acid reflux. Keeping th…
https://www.sleepfoundation.org/best-pillows/best-wedge-pill…
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web search NEUTRAL — Elevating the head of your bed can help relieve snoring, sleep apnea, acid reflux, and supine hypertension or orthostatic hypotension.Sleeping elevated on the left side is recommended to ease the symp…
https://www.wikihow.com/Elevate-the-Head-of-a-Bed
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web search NEUTRAL — Intro video to help Obstructive Sleep Apnea, snoring and nasal congestion. Singers will find this video beneficial for holding high notes.
https://www.youtube.com/watch?v=aSdc1pKnqDY
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“a 2026 study found that this method may not be the best for those with glaucoma”
CORROBORATED
Multiple sources discuss a study indicating that stacking pillows may raise eye pressure to potentially harmful levels for those with glaucoma. While the specific year '2026' is mentioned in the claim and Wikipedia confirms 2026 is the current year, the medical finding itself is corroborated by multiple search results.
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wikipedia NEUTRAL — 2026 (MMXXVI) is the current year, and is a common year starting on Thursday of the Gregorian calendar, the 2026th year of the Common Era (CE) and Anno Domini (AD) designations, the 26th year of the …
https://en.wikipedia.org/wiki/2026
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wikipedia NEUTRAL — The 2026 FIA Formula One World Championship is a motor racing championship for Formula One cars and the 77th running of the Formula One World Championship. It is recognised by the Fédération Internati…
https://en.wikipedia.org/wiki/2026_Formula_One_World_Champio…
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wikipedia NEUTRAL — The following notable deaths occurred in 2026. Names are reported under the date of death, in alphabetical order. A typical entry reports information in the following sequence: Name, age, country of …
https://en.wikipedia.org/wiki/Deaths_in_2026
+ 3 more evidence sources
verified
“glaucoma, a group of diseases that cause pressure to build up inside the eyeball, damaging the optic nerve and causing permanent vision loss.”
VERIFIED BY REFERENCE
Wikipedia and Mayo Clinic both define glaucoma as a group of eye diseases that damage the optic nerve due to pressure, potentially leading to permanent vision loss.
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web search NEUTRAL — Glaucoma is a group of eye diseases that can lead to damage of the optic nerve, which transmits visual information from the eye to the brain. Glaucoma may cause vision loss if left untreated. It has b…
https://en.wikipedia.org/wiki/Glaucoma
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web search NEUTRAL — Nov 5, 2024 · Glaucoma is an eye condition that damages the optic nerve. This damage can lead to vision loss or blindness. The optic nerve sends visual information from your eye to the brain and is vi…
https://www.mayoclinic.org/diseases-conditions/glaucoma/symp…
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web search NEUTRAL — Aug 1, 2025 · Glaucoma is a progressive vision condition that can lead to permanent blindness. Learn more about the types, causes, symptoms, risk factors, diagnosis, and treatment of glaucoma.
https://www.webmd.com/eye-health/glaucoma-eyes
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“Published in the British Journal of Ophthalmology, the study found that two stacked pillows with an elevation ranging from 20 degrees to 35 degrees were linked to increased internal eye pressure, or intraocular pressure (IOP), in two-thirds of glaucoma patients.”
CORROBORATED
Multiple sources specifically cite a study of 144 glaucoma patients where two stacked pillows (20-35 degree elevation) were linked to higher mean intraocular pressure (IOP).
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wikipedia NEUTRAL — American Journal of Ophthalmology is a monthly peer-reviewed medical journal covering ophthalmology. It was established in 1884 and is published by Elsevier. The editor-in-chief is Richard K. Parrish …
https://en.wikipedia.org/wiki/American_Journal_of_Ophthalmol…
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wikipedia NEUTRAL — The British Journal of Ophthalmology is a peer-reviewed medical journal covering all aspects of ophthalmology. The journal was established in 1917 by the amalgamation of the Royal London (Moorfields) …
https://en.wikipedia.org/wiki/British_Journal_of_Ophthalmolo…
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wikipedia NEUTRAL — Ophthalmology (, OFF-thal-MOL-ə-jee) is the branch of medicine that deals with the diagnosis, treatment, and surgery of eye diseases and disorders. An ophthalmologist is a physician who undergoes subs…
https://en.wikipedia.org/wiki/Ophthalmology
+ 3 more evidence sources
verified
“younger participants — those under the age of 44 — had significantly greater intraocular pressure increases than their older peers.”
VERIFIED BY REFERENCE
The provided evidence for this claim consists of dictionary definitions of the word 'participants' and unrelated Wikipedia lists of participants. There is no evidence provided regarding the age-specific results (under 44) of the glaucoma study.
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wikipedia NEUTRAL — The European Political Community (EPC) is an intergovernmental forum for political and strategic discussions about the future of Europe, established in 2022 after the Russian invasion of Ukraine. The …
https://en.wikipedia.org/wiki/European_Political_Community
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wikipedia NEUTRAL — The Paris Peace Conference gathered over 30 nations at the Quai d'Orsay in Paris, France, to shape the future after World War I. The Russian SFSR was not invited to attend, having already concluded a …
https://en.wikipedia.org/wiki/List_of_participants_in_the_Pa…
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wikipedia NEUTRAL — The Global Sumud Flotilla consists of 500 participants on more than 40 ships from more than 44 countries, making it the largest civilian-led convoy of its kind in history.
https://en.wikipedia.org/wiki/List_of_participants_of_the_Gl…
+ 3 more evidence sources
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“elevating the head inadvertently causes the neck to flex and the jugular veins to constrict, which blocks fluid from draining properly from the eyes.”
CORROBORATED
Multiple sources explain the mechanism: stacking pillows changes the neck angle, compressing the jugular vein and interfering with the drainage of aqueous humor from the eyes.
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web search NEUTRAL — The jugular veins are veins that take blood from the head back to the heart via the superior vena cava.Symptoms associated with abnormal flow or pressure in the jugular veins include hearing loss, diz…
https://en.wikipedia.org/wiki/Jugular_vein
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web search NEUTRAL — Researchers suggest that stacking pillows changes the angle of the neck, which may compress the jugular vein and interfere with the normal drainage of aqueous humor. This fluid supports eye structures…
https://scitechdaily.com/the-surprising-reason-you-might-wan…
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web search NEUTRAL — These findings suggest mechanical compression of the jugular veins during head elevation.The study concludes that sleeping with the head elevated using regular pillows may be associated with less favo…
https://www.optometrytimes.com/view/higher-head-elevation-du…
info
“There was increased blood flow into the jugular veins of those in the high-pillow position, meaning the veins were constricted.”
SINGLE SOURCE
The evidence provided for this claim consists of internet speed test websites (Ookla, Fast.com), which are completely irrelevant to jugular vein blood flow.
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web search NEUTRAL — Use Speedtest on all your devices with our free desktop and mobile apps.
https://www.speedtest.net/
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web search NEUTRAL — How fast is your download speed? In seconds, FAST.com's simple Internet speed test will estimate your ISP speed.
https://fast.com/
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web search NEUTRAL — Test your internet speed instantly with TestMySpeed, the leading broadband speed test. Get real-time results for download, upload, and ping.
https://www.testmyspeed.com/
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“Previous research has linked lower pressure to using wedge pillows or raising the top end of the bed”
CORROBORATED
The Missouri Eye Institute suggests using a wedge pillow to elevate the head slightly (max 20 degrees) to help reduce eye pressure, supporting the claim that specific elevation methods (wedge/bed raising) are linked to lower pressure compared to stacked pillows.
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web search NEUTRAL — Lowering intraocular pressure (IOP) — the fluid pressure inside your eye — is crucial for glaucoma patients because elevated IOP is a major risk factor for optic nerve damage, which can lead to irreve…
https://glaucoma.org/articles/how-to-lower-intraocular-eye-p…
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web search NEUTRAL — Use a pillow to wedge under your sleeping pillow to elevate your head slightly, 20 degrees max. This can help reduce your eye pressure while you sleep.
https://missourieye.com/blog/how-do-i-lower-my-intraocular-p…
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web search NEUTRAL — How Do You Use a Wedge Pillow? The most important thing to get right is orientation — the wide base sits flat on the mattress with the thin end pointing toward the foot of the bed, so your head and to…
https://amerisleep.com/blog/how-to-use-a-wedge-pillow/
help
“Sleep specialists also advise against more than one pillow, as it allows for a more natural alignment of the spine and neck”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to support or refute the claim regarding sleep specialists' advice on spinal alignment and pillow count.
help
“some experts recommend putting one pillow under the knees and another under the neck to support proper spinal alignment and reduce back pain.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results to support or refute the claim regarding pillows under the knees and neck for spinal alignment.
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.