Best sleep, and love the soft sheets that it came with! Mattress is wonderful. We were worried about getting a foam mattress since we were so use to our firm coil one that we have had for around ten years now. We decided to upgrade our bedroom set to a king and needed to start mattress shopping. After reading many reviews, the hybrid seemed like the best choice for us. A little of both! Also, hoping that with the combo of coil and foam that it will last us a long time. We are both mainly side sleepers. It is really an amazing, soft mattress. I’m instantly asleep when I get in bed at night! I would say it’s more of a medium than medium-firm feel, but the way it “hugs” you…so nice! My husband was worried to switch from firm since he wakes up with back pain sometimes, but so far this has been a great choice for us. Highly recommend.