0 1 2 3 Sun 06 Feb 1921 Sun 13 Feb 1921 Sun 20 Feb 1921 Sun 27 Feb 1921 Sun 06 Mar 1921 Sun 13 Mar 1921 Sun 20 Mar 1921 Sun 27 Mar 1921 Sun 03 Apr 1921 Sun 10 Apr 1921 Sun 17 Apr 1921 Mon 18 Apr 1921 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