0 1 2 3 Thu 25 Aug 1921 Fri 02 Sep 1921 Sat 10 Sep 1921 Sun 18 Sep 1921 Mon 26 Sep 1921 Tue 04 Oct 1921 Wed 12 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