I tested the super-luxurious Helix Midnight Elite mattress for side sleepers to see if it lives up to the hype ...

A measure of how much vibration is transmitted across the mattress; for memory- and latex-foam mattresses, higher scores indicate ease of changing sleep position. Indicates how firm a mattress is ...

A certified sleep science coach and mattress expert, JD has been reviewing online mattresses professionally for the past five years. During that time, he's tested well over 150 beds and dedicated ...

A certified sleep science coach and mattress expert, JD has been reviewing online mattresses professionally for the past five years. During that time, he's tested well over 150 beds and dedicated ...

The Helix Midnight mattress is available on the Helix Sleep website ... by learning how we test mattresses. The products are given to us free of charge and we test them for as long as possible ...