0 1 2 3 Wed 12 Dec 1928 Mon 17 Dec 1928 Sat 22 Dec 1928 Thu 27 Dec 1928 Tue 01 Jan 1929 Sun 06 Jan 1929 Fri 11 Jan 1929 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