0 1 2 3 Thu 20 Nov 1913 Mon 01 Dec 1913 Thu 01 Jan 1914 Sun 01 Feb 1914 Wed 18 Feb 1914 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