0 1 2 3 Thu 18 Mar 1937 Tue 23 Mar 1937 Sun 28 Mar 1937 Fri 02 Apr 1937 Wed 07 Apr 1937 Mon 12 Apr 1937 Sat 17 Apr 1937 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