0 1 2 3 Sat 09 Sep 1978 Wed 20 Sep 1978 Sun 01 Oct 1978 Thu 12 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