0 1 2 3 Mon 17 Aug 1981 Tue 25 Aug 1981 Wed 02 Sep 1981 Thu 10 Sep 1981 Fri 18 Sep 1981 Sat 26 Sep 1981 Sun 04 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