0 1 2 3 Mon 12 Sep 1977 Mon 19 Sep 1977 Mon 26 Sep 1977 Mon 03 Oct 1977 Mon 10 Oct 1977 Mon 17 Oct 1977 Mon 24 Oct 1977 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