0 1 2 3 Sat 11 Jul 1931 Thu 16 Jul 1931 Tue 21 Jul 1931 Sun 26 Jul 1931 Fri 31 Jul 1931 Wed 05 Aug 1931 Mon 10 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