0 1 2 3 Tue 31 Jan 1928 Tue 07 Feb 1928 Tue 14 Feb 1928 Tue 21 Feb 1928 Tue 28 Feb 1928 Tue 06 Mar 1928 Tue 13 Mar 1928 Tue 20 Mar 1928 Tue 27 Mar 1928 Tue 03 Apr 1928 Tue 10 Apr 1928 Fri 13 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