0 1 2 3 Thu 09 Jul 1931 Thu 16 Jul 1931 Thu 23 Jul 1931 Thu 30 Jul 1931 Thu 06 Aug 1931 Thu 13 Aug 1931 Thu 20 Aug 1931 Thu 27 Aug 1931 Thu 03 Sep 1931 Sat 05 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