0 1 2 3 Sat 16 Sep 1911 Sun 01 Oct 1911 Wed 01 Nov 1911 Fri 01 Dec 1911 Mon 01 Jan 1912 Thu 01 Feb 1912 Sun 04 Feb 1912 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