(Image credit: Future)

Last night as I cuddled deeper into my layers of blankets, I found my mind drifting dreamily to the Orion Sleep System. This smart mattress cover, now with up to $400 off at Orion , uses climate control technology to ensure your bed is snug and warm, even on bitterly chilly nights.

I tested the Orion Sleep System earlier this year and I think it's one of the best smart beds you can buy. It's now sitting in our Sleep Lab, ready to undergo thermal cam tests, and I've been missing its clever temperature adaptations. Using a series of sensors, it always knew how warm or cool I wanted to be.

Right now there's $350 off a queen Orion Sleep System, which is among the best sales we've seen from the brand.…