0 1 2 3 Sun 22 Feb 1931 Sun 01 Mar 1931 Sun 08 Mar 1931 Sun 15 Mar 1931 Sun 22 Mar 1931 Sun 29 Mar 1931 Sun 05 Apr 1931 Sun 12 Apr 1931 Sun 19 Apr 1931 Sun 26 Apr 1931 Fri 01 May 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