0 1 2 3 Tue 03 Sep 1974 Tue 01 Oct 1974 Fri 01 Nov 1974 Sun 01 Dec 1974 Mon 02 Dec 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