0 1 2 3 Thu 15 Dec 1927 Thu 22 Dec 1927 Thu 29 Dec 1927 Thu 05 Jan 1928 Thu 12 Jan 1928 Thu 19 Jan 1928 Thu 26 Jan 1928 Thu 02 Feb 1928 Mon 06 Feb 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