0 1 2 3 Tue 13 Mar 1928 Wed 21 Mar 1928 Thu 29 Mar 1928 Fri 06 Apr 1928 Sat 14 Apr 1928 Sun 22 Apr 1928 Mon 30 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