Z-ZoneScientific Studies
The research foundation behind Z-Zone: over 30 scientific studies on sleep, thermoregulation and temperature control – sorted by topic.
Sleep & Core Body Temperature
How core body temperature controls sleep – and why its drop promotes deep and REM sleep.
8 studiesSkin Temperature & Sleep Onset
Research by Kräuchi, Raymann and others: how skin warming accelerates sleep onset and increases sleep depth.
7 studiesSleep Environment & Climate
Room temperature, humidity, bedding and mattress technology – how the sleep environment influences sleep.
5 studiesThermoregulation: Fundamentals
Core knowledge on human thermoregulation, heat balance and the physiology of temperature control.
6 studiesMarket Data & Sleep Quality
Surveys and statistics on sleep quality – disruptors, prevalence and trends.
6 sources