The AASM Manual for the Scoring of Sleep and Associated Events has been updated. Major updates for this version have been made to Chapter IV, Sleep Staging Rules. The new version has been automatically added to current AASM Scoring Manual subscribers’ accounts, as well as to the AASM Scoring Manual app. Pre-orders for the printed Scoring Manual version 2.1 are being taken now. Remember, only current subscribers may purchase a printed manual; make sure your subscription is current today. Visit the AASM Scoring Manual page to view the updates or renew your subscription.