0 1 2 3 Thu 21 Jul 1938 Fri 29 Jul 1938 Sat 06 Aug 1938 Sun 14 Aug 1938 Mon 22 Aug 1938 Tue 30 Aug 1938 Wed 07 Sep 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