Gary Brecka(@thegarybrecka):Feeling tired and wired at the same time? Anxiety can show up as more than racing thoughts. Your nervous system plays a major role in how your body responds to stress, which can affect your sleep, heart rate, digestion, energy, and ability to focus. When your body feels like it’s constantly on high alert, simply telling yourself to “think positive” may not address everything that’s going on. Understanding the connection between your brain, body, and nervous system can be an important part of understanding anxiety.

Gary Brecka

@thegarybrecka

Human Biologist (non-physician) | Biohacker | Researcher #ThatsJustScience#

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Gary Brecka@thegarybrecka

2026.09.10 19:06

Feeling tired and wired at the same time? Anxiety can show up as more than racing thoughts. Your nervous system plays a major role in how your body responds to stress, which can affect your sleep, heart rate, digestion, energy, and ability to focus. When your body feels like it’s constantly on high alert, simply telling yourself to “think positive” may not address everything that’s going on. Understanding the connection between your brain, body, and nervous system can be an important part of understanding anxiety.

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