0 1 2 3 Thu 10 Sep 1981 Sun 13 Sep 1981 Wed 16 Sep 1981 Sat 19 Sep 1981 Tue 22 Sep 1981 Fri 25 Sep 1981 Mon 28 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