| October 28, 2011 |
Online site is available for session submissions |
| December 1, 2011 |
Deadline for session submissions |
| December 15, 2011 |
Deadline for abstract submissions, Morning Report Cases, Clinical Training Case Reports, Bench to Bedside Integrated Sessions |
| Late December 2011 |
Acceptance notifications for postgraduate courses are sent via email |
| February 2012 |
Acceptance notifications for clinical workshop, discussion group and symposia sessions are sent via email |
| February 2012 |
Registration opens for SLEEP 2012 |
| February 1, 2012 |
Deadline to withdraw an abstract submission |
| February 24, 2012 |
Deadline to edit session information for Final Program |
| March 1, 2012 |
Deadline for authors of accepted sessions to submit conflict of interest information, CV and biographic information |
| March 23, 2012 |
Extended deadline for First Year in Training abstracts |
| April 25, 2012 |
Advanced pre-registration deadline |
| May 23, 2012 |
Registration cancellation deadline |
| May 30, 2012 |
Pre-registration deadline |
| June 9-13, 2012 |
SLEEP 2012, the 26th Annual Meeting of the APSS |