Cracking/popping noise noises at night?
I just moved into a house built in 2015 and during my first few sleeps, I notice there is a lot of of cracking/popping noise at night. The temperature inside is about 16 to 18 degrees at night and outside last night it was 1 degree. I dont really notice the noise during the day since I have music playing on the radio but at night when we turn off the radio thats when I hear them. My old place didnt make any noice apart from the furnace going on and off but that house was built in 1959. This current house has hardwood floors throughout the house with ceramic tile in the kitchen and bathroom. Would this be normal and I just need to get used to sleeping with the noises or will it stop when it gets warmer? Should I be concerned by the noises?