0 1 2 3 Thu 21 Jul 1938 Mon 01 Aug 1938 Thu 01 Sep 1938 Sat 01 Oct 1938 Wed 19 Oct 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