0 1 2 3 Sun 03 Jul 1927 Mon 11 Jul 1927 Tue 19 Jul 1927 Wed 27 Jul 1927 Thu 04 Aug 1927 Fri 12 Aug 1927 Sat 20 Aug 1927 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