question: Hi. For as long as I can remember in the evenings I feel my body get hotter and my temp will be about 98.9 to 99.3. Upon waking it is usually around 97.5 to 98.1. Lately I have had increased anxiety and also waiting to talk to my doctor about an elevated thyroxine level. Is my nightly temp a concern? I do not know if Im noticing it more based on my increased anxiety but for the last week it has went up every single night. I