0 1 2 3 Sun 18 Mar 1928 Wed 21 Mar 1928 Sat 24 Mar 1928 Tue 27 Mar 1928 Fri 30 Mar 1928 Mon 02 Apr 1928 Thu 05 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