0 1 2 3 Sun 19 Jul 1931 Fri 24 Jul 1931 Wed 29 Jul 1931 Mon 03 Aug 1931 Sat 08 Aug 1931 Thu 13 Aug 1931 Tue 18 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