Dear distinguished guests, colleagues and friends,

On behalf of the Asian Society of Sleep Medicine (ASSM), we cordially invite you to be part of the 4^th Sleep Congress of Asian Society of Sleep ( ASSM 2023 ) which is scheduled to be held DECEMBER 10^th - 13^th , 2023 in Bangkok, Thailand. We would be delighted to have your presence as a speaker or poster presenter and love to hear your thoughts and opinions in regard to current challenges and advances in sleep medical sciences. The ASSM has been organized since MARCH 2015 with 16 countries and regions in Asia. The mission of the ASSM is to promote all aspects in sleep medicine and research, including but not limited to advancing the knowledge, promoting education and training, developing translational research of sleep, sleep health, and sleep disorders. By establishing international exchanges and knowledge transfer among physicians, psychologists, dentist, technologists, basic science researches, and other medical professionals in the sleep field, the ASSM aims to increase the welfare of the Asian population. After three successful Sleep Congresses of 2016, 2018 and 2021, we are proud to present the ASSM 2023. We believe that ASSM 2023 is one of the most authoritative and high-level academic conference in the field of sleep medical sciences in Asia. It is an excellent and exceptional opportunity to exchange scientific ideas and experiences in sleep medicine and research for all participants, among whichborders and distances no longer exist. The host team of ASSM 2023 is trying their best to make this experience unparalleled and enriching for you. Furthermore, Bangkok is one of the world's leading centers for economy and business, finance, education, architecture, Bangkok is renowned for its opulent palaces, temples, and various other attractions. There are several must see locations -the Grand Palace, Temple of Dawn (Wat Arun Ratchawarararn), Floating Markets, Old Palace of Ayuthaya, The Bridge over The River Kwai and Pattaya & Huahin Beaches. We hope you would enjoy the best of Thailand, the friendly smiles of Thai people and her heritages. Thank you in advance for your support. We look forward to meeting you in Bangkok for ASSM 2023.

Sincerely yours,
Tayard Desudchit. MD
Chair Organizing Committee