0 1 2 3 Tue 21 Feb 1928 Sun 26 Feb 1928 Fri 02 Mar 1928 Wed 07 Mar 1928 Mon 12 Mar 1928 Sat 17 Mar 1928 Thu 22 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