0 1 2 3 Mon 01 Dec 1930 Mon 08 Dec 1930 Mon 15 Dec 1930 Mon 22 Dec 1930 Mon 29 Dec 1930 Mon 05 Jan 1931 Mon 12 Jan 1931 Mon 19 Jan 1931 Mon 26 Jan 1931 Mon 02 Feb 1931 Mon 09 Feb 1931 Thu 12 Feb 1931 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