0 1 2 3 Sat 21 Jan 1928 Thu 26 Jan 1928 Tue 31 Jan 1928 Sun 05 Feb 1928 Fri 10 Feb 1928 Wed 15 Feb 1928 Mon 20 Feb 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