The World Sleep Day

1. Official Organizer

World Sleep Society (WSS), merged by the World Association of Sleep Medicine (WASM) and the World Sleep Federation (WSF).

2. Date (Globally Unified)

Rule: The Friday before the Spring Vernal Equinox

• 2026: March 13 (Friday)
• 2025: March 14 (Friday)
• 2024: March 15 (Friday)

3. Origin

The first global World Sleep Day was held in 2008, with the theme: Sleep Well, Live Fully Awake.

Earlier in 2001, the World Foundation for Mental Health and Neuroscience launched a Sleep Day observed on March 21, which is not affiliated with the current official WSS system.

4. Recent Official Global Themes (WSS)

• 2026: Sleep Well, Live Better
• 2025: Sleep Equity for Global Health
• 2024: Sleep is Essential to Health
• 2023: Quality Sleep, Sound Mind, Happy World
• 2022: Regular Sleep, Healthy Future

5. Goals & Significance

• Raise global public awareness of sleep health.
• Highlight that sleep, along with diet and exercise, constitutes the three pillars of health.
• Mitigate the physical and mental harms caused by sleep disorders such as insomnia, snoring and sleep apnea.
• Promote research and public education in sleep medicine.

6. Global Status

According to WHO statistics, around 27% of the world’s population suffers from sleep-related problems.

Sleep disorder consultation rates are higher in developed countries, while public awareness remains relatively low in developing nations.

Every March, over 100 countries worldwide host popular science lectures, free medical consultations, media campaigns and other related activities.