0 1 2 3 Sun 15 Jan 1928 Mon 23 Jan 1928 Tue 31 Jan 1928 Wed 08 Feb 1928 Thu 16 Feb 1928 Fri 24 Feb 1928 Sat 03 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