0 1 2 3 Sun 04 Mar 1928 Mon 12 Mar 1928 Tue 20 Mar 1928 Wed 28 Mar 1928 Thu 05 Apr 1928 Fri 13 Apr 1928 Sat 21 Apr 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