0 1 2 3 Mon 09 Jan 1928 Mon 16 Jan 1928 Mon 23 Jan 1928 Mon 30 Jan 1928 Mon 06 Feb 1928 Mon 13 Feb 1928 Mon 20 Feb 1928 Mon 27 Feb 1928 Mon 05 Mar 1928 Mon 12 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