0 1 2 3 Mon 12 Jan 1931 Mon 19 Jan 1931 Mon 26 Jan 1931 Mon 02 Feb 1931 Mon 09 Feb 1931 Mon 16 Feb 1931 Mon 23 Feb 1931 Mon 02 Mar 1931 Mon 09 Mar 1931 Mon 16 Mar 1931 Mon 23 Mar 1931 Thu 26 Mar 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