0 1 2 3 Fri 06 Mar 1931 Fri 13 Mar 1931 Fri 20 Mar 1931 Fri 27 Mar 1931 Fri 03 Apr 1931 Fri 10 Apr 1931 Fri 17 Apr 1931 Fri 24 Apr 1931 Fri 01 May 1931 Fri 08 May 1931 Fri 15 May 1931 Wed 20 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