0 1 2 3 Thu 02 Feb 1928 Fri 10 Feb 1928 Sat 18 Feb 1928 Sun 26 Feb 1928 Mon 05 Mar 1928 Tue 13 Mar 1928 Wed 21 Mar 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