0 1 2 3 Tue 04 Aug 1981 Wed 12 Aug 1981 Thu 20 Aug 1981 Fri 28 Aug 1981 Sat 05 Sep 1981 Sun 13 Sep 1981 Mon 21 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