Two factors that are essential for couples to consider are movement isolation and edge assistance. . We more than happy to report that the Nectar mattress carries out well in both classifications. The bed does a. It passed our tests really quickly. This topic is necessary for people that share a bed with an individual that is continuously moving, whether they’re changing sleeping positions, rolling over to turn off the light, or getting up to get a midnight treat. In Nectar’s case,. Histrionically, memory foam is understood for retaining heat and sleeping warm. However, given that Nectar uses gel-memory foam and it’s fairly firm, we don’t think it’s going to be a problem. Bottom line, we do not think you’ll warm up during the night nor will the bed do anything special to keep you sleeping cool.