0 1 2 3 Sun 25 Dec 1927 Wed 28 Dec 1927 Sat 31 Dec 1927 Tue 03 Jan 1928 Fri 06 Jan 1928 Mon 09 Jan 1928 Thu 12 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