Waking up EVERY NIGHT TOO HOT?

I keep waking up every night no sweating just pure heat every hour and it's very frustrating. Like I'm up right now nauseous because how hot it am. It's a very overwhelming hot but as soon as I get out of bed I don't feel hot anymore. It's pretty cold at night too if anything. I tried different sheets, no food before bed, turning ac down/up. Anyone had something similar and got diagnosed? Female 22 :(
Waking up EVERY NIGHT TOO HOT?
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