0 1 2 3 Tue 23 Feb 1937 Sun 28 Feb 1937 Fri 05 Mar 1937 Wed 10 Mar 1937 Mon 15 Mar 1937 Sat 20 Mar 1937 Thu 25 Mar 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