0 1 2 3 Mon 13 Jul 1931 Mon 20 Jul 1931 Mon 27 Jul 1931 Mon 03 Aug 1931 Mon 10 Aug 1931 Mon 17 Aug 1931 Mon 24 Aug 1931 Mon 31 Aug 1931 Mon 07 Sep 1931 Sat 12 Sep 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