0 1 2 3 Sun 20 Feb 1938 Fri 25 Feb 1938 Wed 02 Mar 1938 Mon 07 Mar 1938 Sat 12 Mar 1938 Thu 17 Mar 1938 Tue 22 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