0 1 2 3 Sun 12 Dec 1926 Fri 17 Dec 1926 Wed 22 Dec 1926 Mon 27 Dec 1926 Sat 01 Jan 1927 Thu 06 Jan 1927 Tue 11 Jan 1927 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