0 1 2 3 Mon 18 Sep 1922 Fri 22 Sep 1922 Tue 26 Sep 1922 Sat 30 Sep 1922 Wed 04 Oct 1922 Sun 08 Oct 1922 Thu 12 Oct 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