10 Symptoms of Insomnia
Symptom #8: Tension Headaches
During REM (rapid eye movement) sleep, our brain is busy consolidating memories into long-term memory and many other processes occur as well. In this stage of sleep, the remaining parts of our bodies are inactive, resting and recuperating from the stress endured throughout the day.
If our muscles don’t get enough time to rest at night, muscle spasm can appear. When this happens in our neck muscles, it can lead to tension headaches.
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