That symptom is just fine. I had hot flashes throughout the first trimester with two of my kids, and I would wake up hot and sweaty and did I mention hot?!!!! When I was pregnant with my first, I would hurry up and throw the covers off and try to cool down baby. Hahaha. Looking back, I feel pretty silly that I thought everything would hurt my baby. Way too much Google and pregnancy board horror stories. You're not going to cook your baby by having these night sweats. They're a normal pregnancy symptom, and if it makes you feel better, sleep with your pelvis uncovered so you know what that area is cool. That's what I ended up doing when pregnant with my first-born, and the peace of mind was worth it.. I had the same symptom with my third-born and was all the wiser and didn't let it scare me, but the calmness definitely comes with experience. You're doing just fine, I promise!