0 1 2 3 Tue 12 Sep 1922 Fri 15 Sep 1922 Mon 18 Sep 1922 Thu 21 Sep 1922 Sun 24 Sep 1922 Wed 27 Sep 1922 Sat 30 Sep 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