0 1 2 3 Tue 12 Jul 1938 Wed 20 Jul 1938 Thu 28 Jul 1938 Fri 05 Aug 1938 Sat 13 Aug 1938 Sun 21 Aug 1938 Mon 29 Aug 1938 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