0 1 2 3 Thu 09 Mar 1922 Fri 17 Mar 1922 Sat 25 Mar 1922 Sun 02 Apr 1922 Mon 10 Apr 1922 Tue 18 Apr 1922 Wed 26 Apr 1922 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