This pilot study investigates the effects of cold-water immersion, traditional sauna use, and their combination on sleep architecture and psychological health in military cadets. The study uses wearable technologies including the Oura Ring to collect objective sleep and physiological data.
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Medical contraindications to continuous wearing of the Oura Ring.
Current diagnosis of neurological conditions that impact vascular blood flow or the individual's ability to regulate temperature.
History of cardio-vascular conditions or history of poor blood circulation.
History of heat stroke or known sensitivity to hot/cold environments.