0 1 2 3 Sun 20 Aug 1978 Mon 04 Sep 1978 Tue 19 Sep 1978 Wed 04 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