0 1 2 3 Mon 31 Aug 1981 Thu 03 Sep 1981 Sun 06 Sep 1981 Wed 09 Sep 1981 Sat 12 Sep 1981 Tue 15 Sep 1981 Fri 18 Sep 1981 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All