Whole Nights – Magnetic Ball for Side Sleep Posture – Sleep Shirt Clip, Just Clip It On The Upper Back of Your Shirt | ⭐ Flexiology.Store Recommended
$28.95
🌿 Expert Tip: Handpicked for natural health, wellness & beauty.
Price: $28.95
(as of Nov 02, 2025 21:40:11 UTC – Details)
How It Works : Whole nights shirt clip solution creates a firm bump on your back that makes you adjust your sleeping position to the side or stomach, which ensures your airway is not blocked.
Comfortable and Easy to Use: It can be easily attached to any clothes. Strong magnets with a non-slip layer make sure that the magnetic ball stays in place for the whole night. No need for special straps or belts.
Product Dimensions : 3 x 3 x 3 inches; 4.94 ounces
Date First Available : August 20, 2019
Manufacturer : Calma
ASIN : B07WVVLYDH
Best Sellers Rank: #231,190 in Health & Household (See Top 100 in Health & Household) #405 in Magnetic Field Therapy Products
Customer Reviews: 3.5 3.5 out of 5 stars 191 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Customers say
Customers find the sleep posture device effective, reporting improved sleep quality and reduced snoring, with one noting it keeps them on their sides all night. Moreover, the product is easy to use, with one customer mentioning their husband can put it on himself. However, the magnet strength receives mixed feedback, with some praising its strength while others report it doesn’t hold well. Additionally, customers disagree on the product’s durability, with some reporting it fell apart after three months. Comfort and compactness are also mixed aspects, with some finding it uncomfortable and bulky.
🌿 Expert Tip: Selected by our Flexiology Experts for quality & value.
⚠️ Disclaimer: Information is for educational purposes and not a substitute for medical advice. Consult your physician before use. Flexiology.Store is not responsible for any adverse effects.
8 reviews for Whole Nights – Magnetic Ball for Side Sleep Posture – Sleep Shirt Clip, Just Clip It On The Upper Back of Your Shirt
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Fallon –
Finally! A Sleep-Aid that Works!
Because of my apnea, sleeping is a nightmare (pun intended!). Basically, I have to sleep on my side or my stomach. Otherwise, if I sleep on my back, I snore so much it even wakes me up. The doctor said I should look for a sleeping aid to prevent me from lying on my back. I’ve tried an anti-snoring belt (the one with a big soft insert). The problem with the belt is that it keeps moving during the night so I have to keep tugging it to make sure it stays at the center of my back where it’s supposed to be. If I so much as tighten it, I find it uncomfortable so I ditched it. So I got this Calma ball which was 70 dollars cheaper than the belt I bought before.It’s super easy to attach it to any shirt I own. I used a fitted, and yet comfortable, sleepwear so the ball doesn’t move to the side together with the shirt. I was worried it would detach itself during the night because I move around A LOT. But, the magnet on it is pretty strong and didn’t slip apart. It stayed exactly where it was supposed to be all night!Also, because it looks like a soft foam, I was initially worried I’d just lie on it and wouldn’t even notice. But it’s actually not very soft, so it presses against my back enough to discourage me from shifting into that position! It took two or three nights to get used to.It came in a nice small bag like the one I use for my canon camera lens, and the material for both the bag and ball seem very good quality considering the price.One more thing, I like to monitor my sleep quality using this sleep cycle app. I noticed that since I started using Calma, my sleep quality is not only much higher, but also more consistent. I get more time in deep sleep and wake up less often, so when I get out of bed in the morning, I feel more energetic. Usually, I’m so sluggish I have to drink a lot of tea and coffee through the day, but I’m able to cut down on my caffeine now. I’m really happy with it so I’m planning to get one for my dad as well! I’m so glad I landed on this page. 🙂
Amazon Customer –
Broke
I liked this product very much. But After 6 months the magnet broke apart spontaneously. There is no way to contact the seller. Is there a warranty!
John Leung –
Works as described but
Works as described but it’s weight makes it a little uncomfortable even when not trying to sleep on back, so made it difficult to sleep regardless
Alcuin –
Easy to use, comfortable and effective– much better than other sleep devices!
Unlike other devices for apnea sufferers who need to sleep on their side, this one does not require a t-shirt or harness. And you can place the device anywhere you want. The two halves have strong magnets that snap together on either side of your pajama top in the back. The inner half is somewhat padded, so is comfortable against your back.
Michelle M. –
The Ball Comes Apart
This device did work for me and is easy to use, but for me the ball comes apart too easily. The magnets need to be much stronger, or it should have a locking mechanism so it can’t come apart in the night- I wouldn’t care if it ruined a shirt because it did work well, but it’s come apart three out of the last 5 nights so I’m returning it. Better to buy a running belt with pouch and put a tennis ball in it imho.
Maile Hemm –
It doesn’t hold onto shirt sometimes
Well, I’ve been using this to help with sleep apnea. I’m a very average built person, and this item is on the right path, but not perfect. I like that I can easily take for travel, and be used by any t-shirt. The cons are, the magnets slip sometimes while sleeping resulting in one in my shirt somewhere, and the other half missing on the bed somewhere. So it needs a slightly stronger magnet, or a way to lock it to shirt while sleeping. Also wish the ball was slightly larger because the bed softness can offset the pressure of the ball and I just end up sleeping on my back anyway
Anonymous –
The only sleep trainer that works and keeps you asleep
Most sleep position trainers wake you up when you sleep on your back. I tried them all. Bought every one available on amazon. This one actually prevents you from rolling on your back, and doesn’t wake you up or prevent you from falling asleep. Also, the ability to adjust it up and down on your back to find the right spot is crucial. That’s a big advantage of her other systems.This does keep me from sleeping on my back and my AHI improved because of it.As a pointer – wear a tighter tank top for best results.
J. Lage –
Strong Magnet/ Weak Glue
Wow, what a disappointment! I get this thing, open up the box and decide to see how it works. The magnet seems nice as I try to separate the two halves of the ball. I get the ball to come apart and the freaking magnet pulls completely out of the other side of it. So good magnet strength bad glue strength. I tried to crazy glue it but the other side of the magnet will not stay in the ball. Returning it for another. I will gladly change my review if the other one stays together for more than 10 seconds.