A study led by researchers the University of Illinois at the Center for Sleep and Ventilator Disorders was conducted to observe the effect of THC on sleep, respiratory pattern, and sleep apnea in rats. The study was conducted on 11 rats who expressed sleep apnea. The rats were injected with various doses of THC, oleamide, and serotonin, alone and in combination. The data showed that THC and oleamide stabilized respiration during all sleep stages. The oleamide and THC would inhibit serotonin induced sleep apnea. The researchers concluded that cannabinoids can suppress sleep apnea and are extremely important to contributing to pharmacological research for treatment of sleep related breathing disorders.

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