0 1 2 3 Mon 31 Aug 1981 Sat 05 Sep 1981 Thu 10 Sep 1981 Tue 15 Sep 1981 Sun 20 Sep 1981 Fri 25 Sep 1981 Wed 30 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