0 1 2 3 Mon 19 Dec 1927 Tue 27 Dec 1927 Wed 04 Jan 1928 Thu 12 Jan 1928 Fri 20 Jan 1928 Sat 28 Jan 1928 Sun 05 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