0 1 2 3 Thu 08 Sep 1921 Mon 12 Sep 1921 Fri 16 Sep 1921 Tue 20 Sep 1921 Sat 24 Sep 1921 Wed 28 Sep 1921 Sun 02 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