0 1 2 3 Fri 03 Jul 1931 Fri 10 Jul 1931 Fri 17 Jul 1931 Fri 24 Jul 1931 Fri 31 Jul 1931 Fri 07 Aug 1931 Fri 14 Aug 1931 Fri 21 Aug 1931 Tue 25 Aug 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