0 1 2 3 Tue 12 Jul 1927 Wed 20 Jul 1927 Thu 28 Jul 1927 Fri 05 Aug 1927 Sat 13 Aug 1927 Sun 21 Aug 1927 Mon 29 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