0 1 2 3 Mon 31 Aug 1857 Tue 01 Sep 1857 Thu 01 Oct 1857 Sun 01 Nov 1857 Tue 01 Dec 1857 Fri 01 Jan 1858 Thu 21 Jan 1858 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