The aim of this study is to validate the downloadable mobile snore applications by polysomnography.

Obstructive sleep apnea(OSA) is characterized by multiple episodes of upper airway collapse during sleep and considered as a major health issue worldwide due to comorbidity with obesity, hypertension, diabetes and more advanced cardiovascular diseases. The noisy sounds of snoring caused by OSA bother bed partner sleepless and lead to long-term health problems. Mobile snore applications are convenient and accessible for patients to monitor the progress of OSA by themselves, but there are no reliable PSG-validated applications.

Inclusion Criteria:

• Willing to sign inform consent with aged more than 20 years old
• Mild to moderate OSA, AHI (apnea-hypopnea index) < 30

Exclusion Criteria:

• Significant lung disease
• Skeletal facial framework problems
• Central apnea
• Receiving acupuncture in recent 2 weeks
• Taking hypnotic drugs

All patients diagnosed as obstructive sleep apnea no matter disease severity.

1. There will be a research number representing the identity. This number will not display the name, identification number, and address.
2. For the results and diagnosis of the visit, the research host will maintain a confidential attitude and carefully maintain the privacy. If research results are published, the identity will remain confidential.
3. Please also understand that if the participant signs the consent form, the participant agrees that the visit record can be directly reviewed by the monitor, auditor, research ethics committee and the competent authority to ensure that the research process and data comply with relevant laws and regulations. These people also promise not to violate the confidentiality of your identity.