You’ve probably heard rumors about wearing a bra to sleep, like “wearing a bra helps prevent your breasts from sagging.“
Having a company that specializes in bra alternatives for women with chronic pain and sleep bras for large breasts since 2009, I’m here to help you weed through the facts and the fiction.
If your breasts are heavy, that will cause them to sag. But since you're laying down there is less sagging and it depends on how you sleep.
When sleeping on your back or on your side, you'll feel more of gravity's force on the breasts, which can feel like they're sagging. If your breast are large, sleeping on your back causes your breasts to go off to one side, or spread horizontally. Your breasts may even go under your armpits. If they're small enough, they'll stay "upright."
If you sleep on your side, the lowest breast will be resting on the bed and the highest breast will be resting on top of it. This means there is less force being placed on the breasts in this position since the lowest breast is resting on the bed, and the highest breast is resting on the one beneath it.
The only sleeping position that will have little to no affect on your breasts is if you sleep on your stomach since they are resting directly on the bed, and their weight is spread out evenly across the bed. I'm not recommending you sleep on your stomach, however. Sleeping on your stomach can flatten out the natural curve in your back which can potentially lead to back pain.
Let's consider the three sleeping positions and how a bra affects the breasts' position from a purely physics standpoint. However, read the bottom section if you should even wear a bra to sleep to begin with.
If you've been wearing a bra all your life and can't imagine sleeping without one, it's totally understandable. You're used to it, and it's familiar. However, a traditional bra is one of the worst things to wear while sleeping due to its constrictive nature:
It's healthier to not wear a traditional bra to sleep. Part of the reason I created BreastNest was to comfortably hold my breasts in place without restricting my circulation and have wide straps that don't cut into my shoulders, or restrict my breathing. I'd invite you to try going braless to sleep and see what a difference it can make for you.
About the Authors
Susan and Scott help thousands of women around the world live more comfortably when they don't want to wear a bra, like after a long day. They specialize in helping women live more comfortably with their non-constrictive bra alternatives that are made for sleeping and lounging.
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Step 1 of 3) What's your cup size?
The Original Camisole, Original Breeze, and Camisole Essentials fit cups DD through H (USA / Canada) , DD-FF (UK / AU) , E-H (EU)
The Breeze Essentials fits cups DDD-HH. (DDD = F cup)
Step 2 of 3) With a flexible measuring tape, measure around your ribcage directly up and UNDER your breasts, making sure there's no slack behind your back.
Step 3 of 3) Based on your ribcage measurement, choose the Size below that fits within the range of the Band Size.