0 1 2 3 Sun 04 Sep 1921 Wed 07 Sep 1921 Sat 10 Sep 1921 Tue 13 Sep 1921 Fri 16 Sep 1921 Mon 19 Sep 1921 Thu 22 Sep 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