0 1 2 3 Fri 23 Sep 1921 Mon 26 Sep 1921 Thu 29 Sep 1921 Sun 02 Oct 1921 Wed 05 Oct 1921 Sat 08 Oct 1921 Tue 11 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