0 1 2 3 Fri 06 Apr 1928 Mon 09 Apr 1928 Thu 12 Apr 1928 Sun 15 Apr 1928 Wed 18 Apr 1928 Sat 21 Apr 1928 Tue 24 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