0 1 2 3 Sat 17 Sep 1921 Thu 22 Sep 1921 Tue 27 Sep 1921 Sun 02 Oct 1921 Fri 07 Oct 1921 Wed 12 Oct 1921 Mon 17 Oct 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