This brief review is sponsored by Eight Sleep. They sent out their adjustable pillow for me to review and share my honest thoughts on. The opinions expressed are my own. https://youtu.be/DSLb_pISG8A Take $25 any Eight product, including smart mattresses, adjustable pillows, organic bed sheets and more! Use code SLEEPAFF25 Order Now The other day, FedEx dropped off a package from Eight Sleep. I've been anxiously awaiting for this box to arrive because it contains a new adjustable pillow from Eight Sleep. It's been a long week and I didn't get around to actually removing the pillow from its clear packaging until last night. I had originally planned on taking pictures of the pillow before trying it out for the night and finishing up this article. That plan changed because the…