I have had sleep apnea for years and sleep well with my cpap. I’ve had my current machine or 4+ years. I sleep well with it. My wife will ask if I heard the thunder last night and I go “what thunder?” She hasn’t complained about snoring in a longtime.Change in sleep -- more snoring, more night awakening, sleepwalking. Have you been checked for sleep apnea or similar sleep issues? Very common in 50-60yo+ though a bit odd to show up suddenly for no reason