0 1 2 3 Thu 30 Jul 1931 Fri 07 Aug 1931 Sat 15 Aug 1931 Sun 23 Aug 1931 Mon 31 Aug 1931 Tue 08 Sep 1931 Wed 16 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