Enjoy a better night¿s sleep with the unique support technology inside every Sealy Posturepedic , where innovation never felt so good and neither will you. - The new React - Support coil is a breakthrough technology that offers up to 14% better conformance*, delivering additional pressure relief and ultimately a better feeling product. Smart - Tex draws away moisture to cool and regulate your sleep climate. An enhanced centre third Comfort - Core layer with Sense - Gel Material reduces pressure on your back. Dynamic Flexi - Cased reinforces the mattress walls for edge-to-edge support. The Nightingale Firm combines premium wool fibre and cushioning quilt foam with convoluted firm foam, Sealy foam and Sense - Gel material for a long lasting, luxurious firm feel. Available in long single, king single, double, queen, king or super king. - Proudly made in Australia *Sealy R D testing vs Sealy Posturepedic Align - Support.
Enjoy a better night¿s sleep with the unique support technology inside every Sealy Posturepedic , where innovation never felt so good and neither will you. - The new React - Support coil is a breakthrough technology that offers up to 14% better conformance*, delivering additional pressure relief and ultimately a better feeling product. Smart - Tex draws away moisture to cool and regulate your sleep climate. An enhanced centre third Comfort - Core layer with Sense - Gel Material reduces pressure on your back. Dynamic Flexi - Cased reinforces the mattress walls for edge-to-edge support. The Nightingale Firm combines premium wool fibre and cushioning quilt foam with convoluted firm foam, Sealy foam and Sense - Gel material for a long lasting, luxurious firm feel. Available in long single, king single, double, queen, king or super king. - Proudly made in Australia *Sealy R D testing vs Sealy Posturepedic Align - Support.
Sealy Nightingale Firm Mattress , Size King
Enjoy a better night¿s sleep with the unique support technology inside every Sealy Posturepedic , where innovation never felt so good and neither will you. - The new React - Support coil is a breakthrough technology that offers up to 14% better conformance*, delivering additional pressure relief and ultimately a better feeling product. Smart - Tex draws away moisture to cool and regulate your sleep climate. An enhanced centre third Comfort - Core layer with Sense - Gel Material reduces pressure on your back. Dynamic Flexi - Cased reinforces the mattress walls for edge-to-edge support. The Nightingale Firm combines premium wool fibre and cushioning quilt foam with convoluted firm foam, Sealy foam and Sense - Gel material for a long lasting, luxurious firm feel. Available in long single, king single, double, queen, king or super king. - Proudly made in Australia *Sealy R D testing vs Sealy Posturepedic Align - Support.
Enjoy a better night¿s sleep with the unique support technology inside every Sealy Posturepedic , where innovation never felt so good and neither will you. - The new React - Support coil is a breakthrough technology that offers up to 14% better conformance*, delivering additional pressure relief and ultimately a better feeling product. Smart - Tex draws away moisture to cool and regulate your sleep climate. An enhanced centre third Comfort - Core layer with Sense - Gel Material reduces pressure on your back. Dynamic Flexi - Cased reinforces the mattress walls for edge-to-edge support. The Nightingale Firm combines premium wool fibre and cushioning quilt foam with convoluted firm foam, Sealy foam and Sense - Gel material for a long lasting, luxurious firm feel. Available in long single, king single, double, queen, king or super king. - Proudly made in Australia *Sealy R D testing vs Sealy Posturepedic Align - Support.
in 3 offers
The lowest price for Sealy Nightingale Firm Mattress , Size King right now is $2,399.02 at Best in Beds, compared across 3 retailers.
The all-time low was $1,395.00 on 25 May 2026 — today's price is 72% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 5 July 2026.
Last updated at 05/07/2026 05:59:46
Sealy Acclaim Ultra Mattress | Plush, Medium, Firm or Ultra Firm Queen / Medium
Free 30-day returns
Sealy Posturepedic Acclaim Ultra Recharge Flex Medium King Mattress Latte White with ReactSupport Coil and SenseGel ComfortCore
Delivery $119
Sealy Posturepedic Acclaim Ultra Nightingale Firm Mattress , Size King
Free delivery between 8–15 July
Sealy Acclaim Ultra Mattress | Plush, Medium, Firm or Ultra Firm Queen / Medium
Free 30-day returns
Sealy Posturepedic Acclaim Ultra Recharge Flex Medium King Mattress Latte White with ReactSupport Coil and SenseGel ComfortCore
Delivery $119
Sealy Posturepedic Acclaim Ultra Nightingale Firm Mattress , Size King
Free delivery between 8–15 July
