0 1 2 3 Tue 11 Oct 1927 Tue 01 Nov 1927 Thu 01 Dec 1927 Sun 01 Jan 1928 Mon 09 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