Was outside in the shade at a park for a birthday party. It was very hot and fairly humid. I had brain fog, fatigue, anxiety, a brief time where I found it difficult to breath. I started focusing on my breathing and was then ok. I think it was brought on by humidity. When we got home I went to take a nap and slept about 11 hours. I woke up on the 3rd with extreme stiffness (more than usual). I also kept regurgitating during the times I felt overheated after eating some food that wouldn't usually upset my stomach.
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