0 1 2 3 Mon 11 Sep 1978 Fri 15 Sep 1978 Tue 19 Sep 1978 Sat 23 Sep 1978 Wed 27 Sep 1978 Sun 01 Oct 1978 Thu 05 Oct 1978 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