Insomnia patients show impaired vasodilation in hands and feet in response to warmth, suggesting a link between thermoregulation and sleep problems.

“healthy people Faso dieted very quickly in response to that warm water meaning that their hands and their feet sort of you know had this red or at least for my feet they would be this red tone to them however in the insomnia patients they did not Vaso dilate anywhere near as well so once again it suggests that when you have problems with Sleep part of the equation may be that you have imper Thermo regulatory ability”

“And what we have data on from some interesting research in a totally different realm is that people with extremity circulation disorders, like who have really cold hands or something like that, right? Yeah. They will have more early what we call early insomnia which is difficulty falling asleep at the beginning of the night.”