0 1 2 3 Tue 10 Mar 1931 Tue 17 Mar 1931 Tue 24 Mar 1931 Tue 31 Mar 1931 Tue 07 Apr 1931 Tue 14 Apr 1931 Tue 21 Apr 1931 Tue 28 Apr 1931 Tue 05 May 1931 Tue 12 May 1931 Tue 19 May 1931 Fri 22 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