0 1 2 3 Wed 28 Dec 1927 Mon 02 Jan 1928 Sat 07 Jan 1928 Thu 12 Jan 1928 Tue 17 Jan 1928 Sun 22 Jan 1928 Fri 27 Jan 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