0 1 2 3 Thu 22 Mar 1928 Fri 30 Mar 1928 Sat 07 Apr 1928 Sun 15 Apr 1928 Mon 23 Apr 1928 Tue 01 May 1928 Wed 09 May 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