(Image credit: Future)

If you've tried breathable bed sheets, oscillating fans and frozen pillows but you still wake up sweaty, I've found the solution. The Orion Sleep System, now with $600 off in Orion's Black Friday sale , is a smart cooling system that helps defeat night sweats by actively adjusting the temperature as you sleep.

One of the best smart beds you can buy online, this clever mattress cover is fitted with a series of (imperceptible) water tubes that cool or heat throughout the night. That means a sudden flush of cold if night sweats are coming on, or a gentle warming if things get too chilly.

This is just a cover, so you might need to buy a new bed to go with it — I recommend our best mattress guide for our top rated suggestions. But with $600 off in the Black Friday mattress sales , there has never been a better time to shop the Orion.

What is active temperature regulation?

When we review any mattress, temperature regulation is a key concern.…