Research have shown that grounding the human body During sleep reduces night time levels of cortisol
Grounding during improves sleep and reduces pain and stress
From the pictures you can see
- Natural level cortisol during day
2 . Difference between levels of cortisol before and after grounding
- Lady aged 51 cortisol level drastically going down to normal level after grounding
Resource:
The biologic effects of grounding the human body during sleep as measured by cortisol levels and subjective reporting of sleep, pain and stress – Ghaly and Teplitz