0 1 2 3 Thu 16 Aug 1928 Fri 24 Aug 1928 Sat 01 Sep 1928 Sun 09 Sep 1928 Mon 17 Sep 1928 Tue 25 Sep 1928 Wed 03 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