0 1 2 3 Fri 11 Sep 1981 Thu 01 Oct 1981 Sun 01 Nov 1981 Tue 01 Dec 1981 Wed 09 Dec 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