0 1 2 3 Mon 20 Feb 1928 Thu 23 Feb 1928 Sun 26 Feb 1928 Wed 29 Feb 1928 Sat 03 Mar 1928 Tue 06 Mar 1928 Fri 09 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