0 1 2 3 Fri 18 Feb 1938 Wed 23 Feb 1938 Mon 28 Feb 1938 Sat 05 Mar 1938 Thu 10 Mar 1938 Tue 15 Mar 1938 Sun 20 Mar 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