0 1 2 3 Tue 17 Jan 1928 Sun 22 Jan 1928 Fri 27 Jan 1928 Wed 01 Feb 1928 Mon 06 Feb 1928 Sat 11 Feb 1928 Thu 16 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