The World Sleep Scientific Program reflects the depth, diversity, and evolving nature of sleep science and medicine.
Developed by an international faculty, the program brings together leading experts and emerging voices to present research, share clinical insights, and explore new directions in the field.
Share Your Work with the World
World Sleep 2027 provides multiple opportunities to present research, lead discussions, and contribute to the advancement of sleep health. Presenting at World Sleep connects your work to a global audience, supports collaboration, and advances the field of sleep health.
Science Submission Reminder Sign-Up (Montreal)
What to Expect as Attendees
Courses and Special Sessions
Participants can explore 350+ hours of scientific and clinical content on a wide range of topics, engage in interdisciplinary dialogue, and gain perspectives that extend beyond their immediate area of focus.
Topic Overview
- Aging and developmental issues
- Basic research
- Sleep and cognition
- Chronobiology/Circadian disorders
- Dental
- Dreaming
- Excessive daytime sleepiness/hypersomnia
- Insomnia
- Movement disorders
- Narcolepsy
- Neurological disorders affecting sleep
- Parasomnia
- Pediatrics
- Pharmacology
- Psychiatric disorders affecting sleep/wake
- REM behavior disorders
- Restless legs syndrome
- Sleep breathing disorders
- Sleep health
- Technology/technical
Curate Your Experience
Optional courses will be available and can be added during registration. These sessions provide targeted learning opportunities led by experts in specific areas of sleep medicine and research.
From specialized sessions to advanced discussions, each component of World Sleep is structured to provide meaningful and practical value. The full Scientific Program for Montreal will be available online Summer 2027, with tools to browse sessions by topic, day, and format.
Plan Your Participation
Each milestone represents an opportunity to contribute, connect, and prepare. Planning ahead ensures you can participate fully in the Congress experience and take advantage of all available opportunities.
Symposium Proposals: Lead a session that brings together experts to explore key topics, challenges, and innovations in sleep medicine and research
Open: August 15, 2026
Deadline: January 20, 2027
Abstract Submissions: Present your research to an international audience and contribute to the global exchange of knowledge
Fast-track Abstracts
Deadline: January 20, 2027
Oral Abstracts
Deadline: May 15, 2027
Poster Abstracts
Deadline: July 15, 2027
Attendance Registration Timeline: Register early to secure your place and access preferred accommodations
- Early Registration Opens August 2026
- Standard Registration Begins June 30, 2027
- Late Registration Begins August 7, 2027
What This Means for You
Early registration ensures:
- Access to preferred hotels
- Time to plan travel and visa requirements
- Full participation in program and events
Previous World Sleep Scientific Programs
Want to know what to expect at World Sleep 2027? Browse some of our previous scientific programs below. Join this tradition of scientific excellence in sleep!
World Sleep 2025: Singapore
Search the online schedule for World Sleep 2025. Click the image to view the .pdf program online.
2023: Rio de Janeiro
Search the online schedule for World Sleep 2023. Click below to view the .pdf program online.

2022: Rome
Search the online schedule for World Sleep 2022. Click the program cover below to view the .pdf program online.

2019: Vancouver
Search the online schedule for World Sleep 2019. Click below to view the .pdf program online.





