0 1 2 3 Mon 30 Apr 1928 Sat 05 May 1928 Thu 10 May 1928 Tue 15 May 1928 Sun 20 May 1928 Fri 25 May 1928 Wed 30 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