0 1 2 3 Mon 10 Nov 1947 Mon 17 Nov 1947 Mon 24 Nov 1947 Mon 01 Dec 1947 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