0 1 2 3 Mon 10 Sep 1928 Sat 15 Sep 1928 Thu 20 Sep 1928 Tue 25 Sep 1928 Sun 30 Sep 1928 Fri 05 Oct 1928 Wed 10 Oct 1928 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