Find out more about how we test, analyze, and rate. Sleepyhead designs mattress toppers with college students in mind. Its Cooling Copper Topper is made from copper-infused memory foam and ...

Similar to graphite, copper is a high-conductivity ... Mattresses with open spring structures are naturally more cooling than ...

As a sleep writer, I was happy to see that Amazon's Big Spring Sale ... My new favorite mattress topper is now on sale, helping you to save 20% on the Sleepyhead Cooling Copper Topper at Amazon ...