0 1 2 3 Wed 18 May 1938 Wed 01 Jun 1938 Fri 01 Jul 1938 Mon 01 Aug 1938 Tue 16 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