Hydrogen-oxygen Mixed Gas in the Treatment of Insomnia

A Randomized, Double-blind, Crossover, Placebo-controlled Study to Evaluate the Efficacy and Safety of Hydrogen-oxygen Mixed Gas in the Treatment of Insomnia

The purpose of this study is to evaluate the efficacy and safety of hydrogen-oxygen mixed gas inhalation in the treatment of insomnia.

This ia a randomized, double-blind, crossover, placebo-controlled Study. The purpose is to evaluate the efficacy and safety of hydrogen-oxygen mixed gas(H2-O2) inhalation in the treatment of insomnia, and explore the possible mechanism by detecting the changes of serum inflammatory factors (CRP, IL-6, IL-1β, TNF-α) levels, so as to seek an effective therapy for insomnia.

Inclusion Criteria:

1. Diagnosed of insomnia according to the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition (DSM-5).
2. No use of sleep medications within the preceding 2 weeks, or a stable dose of only one sedative hypnotic medicine for at least 1 month before the enrollment and remain unchanged throughout the course of the study.
3. Signed informed consent form (ICF).

Exclusion Criteria:

1. Complicated with other sleep disorders (sleep apnea syndrome, narcolepsy, restless legs syndrome, nocturia, etc.);
2. Complicated with serious heart, lung, liver or renal diseases or malignant tumor;
3. History of mental illness;
4. Drugs or substances abuse;
5. Pregnant women, breast-feeding women or those with recent birth plans;
6. Participants in other clinical trials within 1 month before the study.