0 1 2 3 Fri 18 Sep 1981 Sat 19 Sep 1981 Sun 20 Sep 1981 Mon 21 Sep 1981 Tue 22 Sep 1981 Wed 23 Sep 1981 Thu 24 Sep 1981 Fri 25 Sep 1981 Sat 26 Sep 1981 Sun 27 Sep 1981 Mon 28 Sep 1981 Tue 29 Sep 1981 Wed 30 Sep 1981 Thu 01 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