0 1 2 3 Mon 11 Dec 1939 Mon 18 Dec 1939 Mon 25 Dec 1939 Mon 01 Jan 1940 Mon 08 Jan 1940 Mon 15 Jan 1940 Mon 22 Jan 1940 Mon 29 Jan 1940 Fri 02 Feb 1940 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