Rhonda Patrick· PhD
whole body hypothermia A therapeutic technique that involves increasing the body temperature to a level similar to moderate to high fever generally through use of infrared saunas and warm blankets has also been shown to increase the production of somnogic cytoines. TNF alpha and IL1 have both been shown to increase nonrapid eye movement sleep non-REM sleep which you know could could be referring to uh deep restorative phases of sleep.