0 1 2 3 Tue 16 Mar 1937 Sun 21 Mar 1937 Fri 26 Mar 1937 Wed 31 Mar 1937 Mon 05 Apr 1937 Sat 10 Apr 1937 Thu 15 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