0 1 2 3 Fri 22 Jul 1927 Mon 25 Jul 1927 Thu 28 Jul 1927 Sun 31 Jul 1927 Wed 03 Aug 1927 Sat 06 Aug 1927 Tue 09 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