0 1 2 3 Thu 09 Feb 1928 Sun 12 Feb 1928 Wed 15 Feb 1928 Sat 18 Feb 1928 Tue 21 Feb 1928 Fri 24 Feb 1928 Mon 27 Feb 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