0 1 2 3 Sun 13 Sep 1981 Fri 18 Sep 1981 Wed 23 Sep 1981 Mon 28 Sep 1981 Sat 03 Oct 1981 Thu 08 Oct 1981 Tue 13 Oct 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