0 1 2 3 Thu 01 Sep 1898 Sat 01 Oct 1898 Tue 01 Nov 1898 Thu 01 Dec 1898 Sun 01 Jan 1899 Sun 22 Jan 1899 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