0 1 2 3 Tue 22 Oct 1974 Fri 01 Nov 1974 Sun 01 Dec 1974 Wed 01 Jan 1975 Mon 20 Jan 1975 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