0 1 2 3 Tue 23 Jul 1974 Thu 01 Aug 1974 Sun 01 Sep 1974 Tue 01 Oct 1974 Mon 21 Oct 1974 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