0 1 2 3 Mon 25 Jul 1927 Tue 02 Aug 1927 Wed 10 Aug 1927 Thu 18 Aug 1927 Fri 26 Aug 1927 Sat 03 Sep 1927 Sun 11 Sep 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