0 1 2 3 Thu 16 Sep 1897 Fri 01 Oct 1897 Mon 01 Nov 1897 Wed 01 Dec 1897 Sat 01 Jan 1898 Tue 01 Feb 1898 Fri 04 Feb 1898 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