0 1 2 3 Mon 09 Jan 1928 Thu 12 Jan 1928 Sun 15 Jan 1928 Wed 18 Jan 1928 Sat 21 Jan 1928 Tue 24 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