0 1 2 3 Fri 25 Mar 1938 Mon 28 Mar 1938 Thu 31 Mar 1938 Sun 03 Apr 1938 Wed 06 Apr 1938 Sat 09 Apr 1938 Tue 12 Apr 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