0 1 2 3 Fri 21 Jul 1978 Tue 01 Aug 1978 Fri 01 Sep 1978 Sun 01 Oct 1978 Thu 19 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