0 1 2 3 Mon 10 Aug 1931 Sat 15 Aug 1931 Thu 20 Aug 1931 Tue 25 Aug 1931 Sun 30 Aug 1931 Fri 04 Sep 1931 Wed 09 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