0 1 2 3 Tue 28 Jul 1931 Fri 31 Jul 1931 Mon 03 Aug 1931 Thu 06 Aug 1931 Sun 09 Aug 1931 Wed 12 Aug 1931 Sat 15 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