0 1 2 3 Fri 15 May 1931 Fri 22 May 1931 Fri 29 May 1931 Fri 05 Jun 1931 Fri 12 Jun 1931 Fri 19 Jun 1931 Fri 26 Jun 1931 Fri 03 Jul 1931 Tue 07 Jul 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