Marks and Spencer has been praised by shoppers for its £11 bra which gives 'a blissful night's sleep'.
People are calling the bra 'comfortable' and 'supportive', and say it helps them get a restful night's sleep.
It's also been praised by people who have undergone surgery and chemotherapy.
The Flexifit Non Wired Sleep Bra has already been a huge hit with shoppers, and has now been reduced.
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The bra, which did cost £16, has now been reduced to £11.20.
M&S' sleep bra is available to buy in two colours , grey and navy, and can be found in sizes 8-22.
One five-star reviewer said: "Decided to try this bra to give me some support whilst sleeping. I would usually buy a size 14, but having read reviews, decided to go up a size. I’m glad I did as I think the 14 would have been tight. Fits lovely and feels comfortable, and gives the support you need in bed as you get older."
Another said: "Comfy yet supportive. Soft seams to sleep in. Highly recommend."
A third person wrote: "Extremely comfortable, excellent fit, I forgot I was wearing it."
A fourth praised: "Oh what a blissful nights sleep. My story starts with surgery and radiotherapy for breast cancer 2 years ago which has meant wearing a post op bra at night ever since to stop excess movement hurting and keeping me awake. As these old ones were becoming loose and starting to twist around during the night, I wanted to find something more 'sleepware' looking as well as without hooks or strap adjustment.
"These non-wired sleep bras have proven perfect and keep me beautifully supported as I role and role at night. I ordered 2 sizes as I wasn't sure which would be better, 10 (32") and 12 (34") and find that the smaller one is slightly better whilst not being tight. Obviously I needed to try the larger one out so I've kept this too; it's almost as perfect. So I'd say yes true to size to match your day bra chest size. I hope this review helps others give them a go."
Somebody else wrote: "A really comfortable bra, which would also be ideal for daytime wear. Great for post cancer operation. Great value for money."
Another said: "I was not aware such products existed, was intrigued to experience benefits, very impressed as a sleep bar but do not limit to sleep. Great for casual wear too."
The Flexifit Non Wired Sleep Bra is available to buy on the M&S website now.